Index: src/wp-admin/includes/class-wp-media-list-table.php
===================================================================
--- src/wp-admin/includes/class-wp-media-list-table.php	(revision 48869)
+++ src/wp-admin/includes/class-wp-media-list-table.php	(working copy)
@@ -401,8 +401,18 @@
 	public function column_title( $post ) {
 		list( $mime ) = explode( '/', $post->post_mime_type );
 
+		$attachment_id = $post->ID;
+
+		if ( $mime == 'video' || $mime == 'audio' ){
+			$thumbnail_id = get_post_thumbnail_id($post->ID);
+
+			if ( !empty( $thumbnail_id ) ){
+				$attachment_id = $thumbnail_id;
+			}
+		}
+
 		$title      = _draft_or_post_title();
-		$thumb      = wp_get_attachment_image( $post->ID, array( 60, 60 ), true, array( 'alt' => '' ) );
+		$thumb      = wp_get_attachment_image( $attachment_id, array( 60, 60 ), true, array( 'alt' => '' ) );
 		$link_start = '';
 		$link_end   = '';