Index: src/wp-admin/includes/class-wp-list-table.php
===================================================================
--- src/wp-admin/includes/class-wp-list-table.php	(revision 33046)
+++ src/wp-admin/includes/class-wp-list-table.php	(working copy)
@@ -832,7 +832,21 @@
 	 * @return string Name of the default primary column, in this case, an empty string.
 	 */
 	protected function get_default_primary_column_name() {
-		return '';
+		$columns = $this->get_columns();
+		$column = '';
+
+		// We need a primary defined so responsive views show something,
+		// so let's fall back to the first non-checkbox column.
+		foreach( $columns as $col => $column_name ) {
+			if ( 'cb' === $col ) {
+				continue;
+			}
+
+			$column = $col;
+			break;
+		}
+
+		return $column;
 	}
 
 	/**
@@ -878,7 +892,7 @@
 		if ( isset( $this->_column_headers ) && is_array( $this->_column_headers ) ) {
 			// Back-compat for list tables that have been manually setting $_column_headers for horse reasons.
 			// In 4.3, we added a fourth argument for primary column.
-			$column_headers = array( array(), array(), array(), '' );
+			$column_headers = array( array(), array(), array(), $this->get_primary_column_name() );
 			foreach ( $this->_column_headers as $key => $value ) {
 				$column_headers[ $key ] = $value;
 			}