Aamir Khan

as Jimmy Mario

as Dahaa

as Gulshan Arora

as The man

as Laal Singh Chaddha

as Firangi Mallah

as Shakti Kumar

as Mahavir Singh Phogat

as Pluto Mehra / Narrator (voice)

as PK

as Sahir/Samar

as Self, special appearance in "Apna Bombay Talkies" (uncredited)

as Surjan Singh Sekhawat

as Disco Fighter

as Arun

as Ranchoddas "Rancho" Chanchad

as Sanjay Singhania

as Rehan Qadri

as Daljit 'DJ' Singh

as Mangal Pandey

as Self

as Akash Malhotra

as Bhuvan

as Kishen Pyare

as Dev Karan Singh

as ACP Ajay Singh Rathore

as Dil Navaz

as Siddharth Marathe

as Raja

as Raja Hindustani

as Rohit Kumar

as Munna

as Inspector Amar Damjee

as Amar Manohar

as Rahul Malhotra

as Ranvir Prithvi Singh

as Himself

as Sanjay Lal Sharma a.k.a Sanju

as Raghu Jetley

as Raja Prasad

as Raj

as Young Ratan