Index: src/wp-admin/includes/class-wp-posts-list-table.php
===================================================================
--- src/wp-admin/includes/class-wp-posts-list-table.php	(revision 49189)
+++ src/wp-admin/includes/class-wp-posts-list-table.php	(working copy)
@@ -1587,6 +1587,18 @@
 							$users_opt['show_option_none'] = __( '— No Change —' );
 						}
 
+						/**
+						 * Filters the arguments used to generate the Quick Edit authors drop-down.
+						 *
+						 * @since 5.6.0
+						 *
+						 * @see wp_dropdown_users()
+						 *
+						 * @param array $users_opt An array of arguments for the wp_dropdown_users function.
+						 * @param bool  $bulk      A flag to denote if it's a bulk action.
+						 */
+						$users_opt = apply_filters( 'quick_edit_dropdown_authors_args', $users_opt, $bulk );
+
 						$authors = wp_dropdown_users( $users_opt );
 						if ( $authors ) :
 							$authors_dropdown  = '<label class="inline-edit-author">';