Aamir Khan as Phunsukh "Rancho" Wangdu

R. Madhavan as Farhan Qureshi

Sharman Joshi as Raju Rastogi

Kareena Kapoor Khan as Pia Sahastrabudhhe

Boman Irani as Viru "Virus" Sahastrabudhhe

Omi Vaidya as Chatur "Silencer" Ramalingam

Rahul Kumar as Millimeter

Mona Singh as Mona Sahastrabuddhe

Javed Jaffrey as Ranchoddas Shyamaldas Chanchad

Olivier Lafont as Suhas Tandon

Parikshat Sahni as Mr. Qureshi

Farida Dadi as Mrs. Qureshi

Amardeep Jha as Mrs. Rastogi

Mukund Bhatt as Mr. Rastogi

Ali Fazal as Joy Lobo

Arun Bali as Shamaldas Chanchad

Supriya Shukla as Matron in Hospital with Pia

Dushyant Wagh as Millimeter / Centimeter

Akhil Mishra as Librarian Dubey

Atul Tiwari as Minister in Auditorium

Achyut Potdar as Machine Class Professor

Chaitali Bose as Kamini "Kammo" Rastogi

Jayant Kripalani as Campus Interview Panel Head

Rajeev Ravindranathan as Lead Ragging Senior

Shoaib Ahmed as Chhote