"مَن كان ذلك" - Translation from Arabic to English

• Who was that

- Who was that?
مَن كان ذلك وماذا يقولون؟

Who was that person?
مَن كان ذلك الشخص ؟

Hey, Who was that guy?
مرحباً, مَن كان ذلك الرجل؟

Well, Who was that, what was that?
مَن كان ذلك ؟