diff --git a/src/Screen/AsSource.php b/src/Screen/AsSource.php
index a2a1e2a27..1f3fcd197 100644
--- a/src/Screen/AsSource.php
+++ b/src/Screen/AsSource.php
@@ -22,10 +22,16 @@ trait AsSource
      *
      * @return mixed|null The value of the field, or null if the field is not found.
      */
-    public function getContent(string $field)
+    public function getContent(string $field): mixed
     {
-        return Arr::get($this->toArray(), $field) // Try to get the field value from the object's array representation.
+        // When field does not contain a dot, it is a simple field name.
+        // And we not need to use cast model to array for this case.
+        if (! str_contains($field, '.')) {
+            return $this->getAttribute($field);
+        }
+
+        return $this->getAttribute($field) // Try to get the field value from the object's attributes.
             ?? Arr::get($this->getRelations(), $field) // Try to get the field value from the object's relations.
-            ?? $this->getAttribute($field);  // Try to get the field value from the object's attributes.
+            ?? Arr::get($this, $field); // Try to get the field value from the object's array representation.
     }
 }