Aamir Khan (Laal Singh Chaddha), Kareena Kapoor Khan (Rupa D'Souza), Naga Chaitanya Akkineni (Balaraju Bodi), Mona Singh (Gurpreet Kaur (Laal's mother)), Manav Vij (Mohammad bhai), Kamini Kaushal (Old lady on train), Ahmad Ibn Umar (Young Laal) more..., Hafsa Ashraf (Young Rupa), Gitikka Ganju Dhar (Manjeet maasi), Rohaan Singh (Aman Chaddha), Shah Rukh Khan (Himself (cameo)), Aarya Sharma (Lady in train), Nazneen Madan (Lady in train), Arun Bali (Sardarji in train), Jagat Rawat (School Principal), Harry Parmar (Abbas Haji), Shrikant Verma (Sports coach), Guneet Singh Sodhi (Harry (Rupa's boyfriend)), Shiv Panditt (Captain Sandeep), Yuri Suri (Commanding officer), Sowmyashree Belur (Bala's wife), Karim Hajee (Gurfateh Singh)

Winston Groom (Novel), Eric Roth (Original Film Writer), Aamir Khan (Producer), Pritam Chakraborty (Original Music Composer), Rana Ranbir (Additional Dialogue), Raju Khan (Choreographer), Kiran Rao (Producer) more..., Ken Metzker (Senior Colorist), Sonu Nigam (Playback Singer), Shajith Koyeri (Sound Designer), Mukesh Chhabra (Casting), Mukesh Chhabra (Casting Director), Hemanti Sarkar (Editor), Faisal Khan (Executive Producer), Radhika Chaudhari (Executive Producer), Raman Kumar (Assistant Director), Amitabh Bhattacharya (Lyricist), Debajit Changmai (Recording Supervision), Maxima Basu (Costume Designer), Parvez Shaikh (Action Director), Pompy Hans (Hair Designer), Arijit Singh (Playback Singer), Mustafa Stationwala (Production Designer), Satyajit Pande (Director of Photography), Sanjeev Kumar Nair (Executive Producer), Harry Hingorani (VFX Supervisor), Yogesh Kumar (Assistant Director), Romy (Playback Singer), Ravi Dev Singh (Sound Mixer), Shadab Faridi (Playback Singer), Pankaj Naidu (Casting Associate), Saurabh Pal (Casting Associate), Altamash Faridi (Playback Singer), Mohan Kannan (Playback Singer), Tarranum Khan (Makeup Designer), Lakshmi Naidu Mantini (Sound Designer), Atul Kulkarni (Writer), Ajit Andhare (Producer),