Aamir Khan

Ranchoddas "Rancho" Shamaldas Chanchad / Phunsukh Wangdu

R. Madhavan

Farhan Qureshi

Sharman Joshi

Raju Rastogi

Kareena Kapoor

Pia Sahastrabuddhe

Boman Irani

Viru Sahastrabuddhe ("Virus")

Mona Singh

Mona

Parikshit Sahni

Mr. Qureshi

Jaaved Jaaferi

Ranchoddas Chanchad

Arun Bali

Shamaldas Chanchad

Omi Vaidya

Chatur

Rajkumar Hirani

Director

Vidhu Vinod Chopra

Producer

Rajkumar Hirani

Writer

Abhijat Joshi

Writer

Chetan Bhagat

Writer

Shantanu Moitra

Music Director

C.K. Muraleedharan

Cinematographer

Rajkumar Hirani

Editor