Shah Rukh Khan

Om Prakash Makhija / Om Kapoor

Deepika Padukone

Shantipriya / Sandy

Arjun Rampal

Mukesh “Mike” Mehra

Kirron Kher

Bela Makhija

Shreyas Talpade

Pappu Master

Javed Sheikh

Rajesh Kapoor

Asawari Joshi

Lovely Kapoor

Yuvika Chaudhary

Dolly

Bindu

Dolly's Mother

Nitesh Pandey

Anwar

Shawar Ali

Shahwar

Nakul Kamte

Om's Dead Father

Lin Laishram

OK's Personal Trainer

Nassar Abdulla

Rajesh Kapoor's Secretary