ShowDetailScreen.kt

@ExperimentalMaterialApi
@Composable
fun ShowDetailScreen(...) {
    ...

    val modalBottomSheetState = rememberModalBottomSheetState(ModalBottomSheetValue.Hidden)

    ...

    ModalBottomSheetLayout(
        sheetState = modalBottomSheetState,
        sheetContent = {
            Surface(
                Modifier
                    .fillMaxWidth()
            ) {
                ShowCastBottomSheetItem(showCast = selectedCastMemberState.value)
            }
        },
        scrimColor = Color.Black.copy(alpha = 0.32f)
    ) {