diff --git a/src/Command/TinkerCommand.php b/src/Command/TinkerCommand.php
index f86824b..75a0755 100644
--- a/src/Command/TinkerCommand.php
+++ b/src/Command/TinkerCommand.php
@@ -139,6 +139,7 @@ protected function getCasters(): array
             'Hyperf\ViewEngine\HtmlString' => 'FriendsOfHyperf\Tinker\TinkerCaster::castHtmlString',
             'Stringable' => 'FriendsOfHyperf\Tinker\TinkerCaster::castStringable',
             'Symfony\Component\Console\Application' => 'FriendsOfHyperf\Tinker\TinkerCaster::castApplication',
+            'FriendsOfHyperf\ValidatedDTO\SimpleDTO' => 'FriendsOfHyperf\Tinker\TinkerCaster::castSimpleDTO',
         ];
 
         return array_merge($casters, (array) $this->config->get('tinker.casters', []));
diff --git a/src/TinkerCaster.php b/src/TinkerCaster.php
index b4f63bd..13ae69b 100644
--- a/src/TinkerCaster.php
+++ b/src/TinkerCaster.php
@@ -11,6 +11,8 @@
 
 namespace FriendsOfHyperf\Tinker;
 
+use ReflectionClass;
+use ReflectionProperty;
 use Stringable;
 use Symfony\Component\VarDumper\Caster\Caster;
 use Throwable;
@@ -185,4 +187,23 @@ public static function castMessageBag($messageBag): array
             Caster::PREFIX_PROTECTED . 'format' => $messageBag->getFormat(),
         ];
     }
+
+    /**
+     * @param \FriendsOfHyperf\ValidatedDTO\SimpleDTO $dto
+     */
+    public static function castSimpleDTO($dto): array
+    {
+        $reflectionClass = new ReflectionClass($dto);
+        $results = [];
+
+        foreach ($reflectionClass->getProperties(ReflectionProperty::IS_PUBLIC) as $property) {
+            $property->setAccessible(true);
+            $results[Caster::PREFIX_VIRTUAL . $property->getName()] = $property->getValue($dto);
+        }
+
+        $results[Caster::PREFIX_PROTECTED . 'validatedData'] = (fn () => $this->validatedData ?? [])->call($dto);
+        $results[Caster::PREFIX_VIRTUAL . $dto::class . '::toArray()'] = $dto->toArray();
+
+        return $results;
+    }
 }