diff --git a/packages/SystemUI/src/com/android/systemui/shade/QuickSettingsController.java b/packages/SystemUI/src/com/android/systemui/shade/QuickSettingsController.java
index 19d83340dc283..69ef15d625a4e 100644
--- a/packages/SystemUI/src/com/android/systemui/shade/QuickSettingsController.java
+++ b/packages/SystemUI/src/com/android/systemui/shade/QuickSettingsController.java
@@ -83,6 +83,7 @@ import com.android.systemui.statusbar.phone.ScrimController;
 import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager;
 import com.android.systemui.statusbar.phone.StatusBarTouchableRegionManager;
 import com.android.systemui.statusbar.phone.dagger.CentralSurfacesComponent;
+import com.android.systemui.statusbar.policy.CastController;
 import com.android.systemui.statusbar.policy.KeyguardStateController;
 import com.android.systemui.util.LargeScreenUtils;
 
@@ -127,6 +128,7 @@ public class QuickSettingsController {
     private final FalsingCollector mFalsingCollector;
     private final LockscreenGestureLogger mLockscreenGestureLogger;
     private final ShadeLogger mShadeLog;
+    private final CastController mCastController;
     private final FeatureFlags mFeatureFlags;
     private final InteractionJankMonitor mInteractionJankMonitor;
     private final FalsingManager mFalsingManager;
@@ -306,7 +308,8 @@ public class QuickSettingsController {
             MetricsLogger metricsLogger,
             FeatureFlags featureFlags,
             InteractionJankMonitor interactionJankMonitor,
-            ShadeLogger shadeLog
+            ShadeLogger shadeLog,
+            CastController castController
     ) {
         mPanelViewControllerLazy = panelViewControllerLazy;
         mPanelView = panelView;
@@ -345,6 +348,7 @@ public class QuickSettingsController {
         mLockscreenGestureLogger = lockscreenGestureLogger;
         mMetricsLogger = metricsLogger;
         mShadeLog = shadeLog;
+        mCastController = castController;
         mFeatureFlags = featureFlags;
         mInteractionJankMonitor = interactionJankMonitor;
 
@@ -1132,7 +1136,9 @@ public class QuickSettingsController {
         mLastClipBounds.set(left, top, right, bottom);
         if (mIsFullWidth) {
             clipStatusView = qsVisible;
-            float screenCornerRadius = mRecordingController.isRecording() ? 0 : mScreenCornerRadius;
+            float screenCornerRadius =
+                    mRecordingController.isRecording() || mCastController.hasConnectedCastDevice()
+                            ? 0 : mScreenCornerRadius;
             radius = (int) MathUtils.lerp(screenCornerRadius, mScrimCornerRadius,
                     Math.min(top / (float) mScrimCornerRadius, 1f));
         }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/CastController.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/CastController.java
index 98cde2a049daf..abedd3220c934 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/CastController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/CastController.java
@@ -28,6 +28,11 @@ public interface CastController extends CallbackController<Callback>, Dumpable {
     void startCasting(CastDevice device);
     void stopCasting(CastDevice device);
 
+    /**
+     * @return whether we have a connected device.
+     */
+    boolean hasConnectedCastDevice();
+
     public interface Callback {
         void onCastDevicesChanged();
     }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/CastControllerImpl.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/CastControllerImpl.java
index 7290a1a820708..f7b601b9d2840 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/CastControllerImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/CastControllerImpl.java
@@ -217,6 +217,12 @@ public class CastControllerImpl implements CastController {
         }
     }
 
+    @Override
+    public boolean hasConnectedCastDevice() {
+        return getCastDevices().stream().anyMatch(
+                castDevice -> castDevice.state == CastDevice.STATE_CONNECTED);
+    }
+
     private void setProjection(MediaProjectionInfo projection, boolean started) {
         boolean changed = false;
         final MediaProjectionInfo oldProjection = mProjection;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationPanelViewControllerBaseTest.java b/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationPanelViewControllerBaseTest.java
index 7087c01359988..f297c8f493d86 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationPanelViewControllerBaseTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationPanelViewControllerBaseTest.java
@@ -151,6 +151,7 @@ import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager;
 import com.android.systemui.statusbar.phone.StatusBarTouchableRegionManager;
 import com.android.systemui.statusbar.phone.TapAgainViewController;
 import com.android.systemui.statusbar.phone.UnlockedScreenOffAnimationController;
+import com.android.systemui.statusbar.policy.CastController;
 import com.android.systemui.statusbar.policy.ConfigurationController;
 import com.android.systemui.statusbar.policy.KeyguardQsUserSwitchController;
 import com.android.systemui.statusbar.policy.KeyguardStateController;
@@ -293,6 +294,7 @@ public class NotificationPanelViewControllerBaseTest extends SysuiTestCase {
     @Captor
     protected ArgumentCaptor<NotificationStackScrollLayout.OnEmptySpaceClickListener>
             mEmptySpaceClickListenerCaptor;
+    @Mock private CastController mCastController;
 
     protected KeyguardBottomAreaInteractor mKeyguardBottomAreaInteractor;
     protected KeyguardInteractor mKeyguardInteractor;
@@ -639,7 +641,8 @@ public class NotificationPanelViewControllerBaseTest extends SysuiTestCase {
                 mMetricsLogger,
                 mFeatureFlags,
                 mInteractionJankMonitor,
-                mShadeLog
+                mShadeLog,
+                mCastController
         );
     }
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/shade/QuickSettingsControllerTest.java b/packages/SystemUI/tests/src/com/android/systemui/shade/QuickSettingsControllerTest.java
index d8ffe39e427de..d013b0a502db9 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/shade/QuickSettingsControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/shade/QuickSettingsControllerTest.java
@@ -85,6 +85,7 @@ import com.android.systemui.statusbar.phone.LockscreenGestureLogger;
 import com.android.systemui.statusbar.phone.ScrimController;
 import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager;
 import com.android.systemui.statusbar.phone.StatusBarTouchableRegionManager;
+import com.android.systemui.statusbar.policy.CastController;
 import com.android.systemui.statusbar.policy.KeyguardStateController;
 
 import org.junit.After;
@@ -153,6 +154,7 @@ public class QuickSettingsControllerTest extends SysuiTestCase {
     @Mock private ShadeLogger mShadeLogger;
     @Mock private DumpManager mDumpManager;
     @Mock private UiEventLogger mUiEventLogger;
+    @Mock private CastController mCastController;
 
     private SysuiStatusBarStateController mStatusBarStateController;
 
@@ -239,7 +241,8 @@ public class QuickSettingsControllerTest extends SysuiTestCase {
                 mMetricsLogger,
                 mFeatureFlags,
                 mInteractionJankMonitor,
-                mShadeLogger
+                mShadeLogger,
+                mCastController
         );
 
         mFragmentListener = mQsController.getQsFragmentListener();
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/CastControllerImplTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/CastControllerImplTest.java
index db50163ce6a73..b8e4306a319dc 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/CastControllerImplTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/CastControllerImplTest.java
@@ -1,6 +1,7 @@
 package com.android.systemui.statusbar.policy;
 
 
+import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
@@ -125,4 +126,20 @@ public class CastControllerImplTest extends SysuiTestCase {
             fail("Concurrent modification exception");
         }
     }
+
+    @Test
+    public void hasConnectedCastDevice_connected() {
+        CastController.CastDevice castDevice = new CastController.CastDevice();
+        castDevice.state = CastController.CastDevice.STATE_CONNECTED;
+        mController.startCasting(castDevice);
+        assertTrue(mController.hasConnectedCastDevice());
+    }
+
+    @Test
+    public void hasConnectedCastDevice_notConnected() {
+        CastController.CastDevice castDevice = new CastController.CastDevice();
+        castDevice.state = CastController.CastDevice.STATE_CONNECTING;
+        mController.startCasting(castDevice);
+        assertTrue(mController.hasConnectedCastDevice());
+    }
 }
diff --git a/packages/SystemUI/tests/utils/src/com/android/systemui/utils/leaks/FakeCastController.java b/packages/SystemUI/tests/utils/src/com/android/systemui/utils/leaks/FakeCastController.java
index f6b24da9b821b..84ace7cc9540c 100644
--- a/packages/SystemUI/tests/utils/src/com/android/systemui/utils/leaks/FakeCastController.java
+++ b/packages/SystemUI/tests/utils/src/com/android/systemui/utils/leaks/FakeCastController.java
@@ -51,4 +51,9 @@ public class FakeCastController extends BaseLeakChecker<Callback> implements Cas
     public void stopCasting(CastDevice device) {
 
     }
+
+    @Override
+    public boolean hasConnectedCastDevice() {
+        return false;
+    }
 }