Shah Rukh Khan
Dev Saran
Rani Mukerji
Maya Talwar
Abhishek Bachchan
Rishi Talwar
Preity Zinta
Riya Saran
Amitabh Bachchan
Samarjit 'Sam' Talwar
Kirron Kher
Kamaljeet Saran
Ahsaas Channa
Arjun Saran
Arjun Rampal
Jai
John Abraham
Guest Appearance
Kajol
Piano dancer (uncredited--special appearance)
Karan Johar
Guest Appearance (uncredited)
Kate Braithwaite
English dancer
Ayan Mukerji
Train Passenger
T
Tarun Mansukhani
Rishi's colleague
S
Saira Mohan
Catherine Cooper
A
Adriana Bremont
Receptionist
Ahsaas Channa
Arjun D. Saran
Greg D'Agostino
Coach George Push
Manish Dayal
Reporter
Aykut Hilmi
Gangster
M
Madalyn McKay
Announcer
G
Giuseppe Raucci
Soccer Player