diff -u b/core/modules/image/css/editors/image.theme.css b/core/modules/image/css/editors/image.theme.css
--- b/core/modules/image/css/editors/image.theme.css
+++ b/core/modules/image/css/editors/image.theme.css
@@ -73,13 +73,22 @@
 }
 
 .quickedit-image-field-info div {
-  margin-right: 10px;
+  margin-right: 10px; /* LTR */
 }
 
 .quickedit-image-field-info div:last-child {
+  margin-right: 0; /* LTR */
+}
+
+[dir="rtl"] .quickedit-image-field-info div {
+  margin-left: 10px;
   margin-right: 0;
 }
 
+[dir="rtl"] .quickedit-image-field-info div:last-child {
+  margin-left: 0;
+}
+
 .quickedit-image-errors .messages__wrapper {
   margin: 0;
   padding: 0;
diff -u b/core/modules/image/src/Controller/QuickEditImageController.php b/core/modules/image/src/Controller/QuickEditImageController.php
--- b/core/modules/image/src/Controller/QuickEditImageController.php
+++ b/core/modules/image/src/Controller/QuickEditImageController.php
@@ -116,7 +116,7 @@
 
       // Render the new image using the correct formatter settings.
       $entity_view_mode_ids = array_keys($this->entityManager()->getViewModes($entity->getEntityTypeId()));
-      if (in_array($view_mode_id, $entity_view_mode_ids)) {
+      if (in_array($view_mode_id, $entity_view_mode_ids, TRUE)) {
         $output = $entity->$field_name->view($view_mode_id);
       }
       else {
@@ -200,7 +200,7 @@
 
     // Check that this field exists.
     /** @var \Drupal\Core\Field\FieldItemListInterface $field_list */
-    $field_list = $entity->getTranslation($langcode)->$field_name;
+    $field_list = $entity->getTranslation($langcode)->get($field_name);
     if (!$field_list) {
       throw new BadRequestHttpException('Requested Field does not exist.');
     }
@@ -211,7 +211,7 @@
     }
     // Otherwise, use the first item.
     else {
-      $field = $entity->getTranslation($langcode)->$field_name->get(0);
+      $field = $entity->getTranslation($langcode)->get($field_name)->first();
     }
 
     // Ensure that the field is the type we expect.