Boman Irani

as Dr. Padmabhushan

as I.S Kanwar

as Raza Saab

as Pankaj Bhatti

as Shiv Mehta

as Anchor & Narration

as Geetu Gulati

as Nishant Suri

as Javed Siddiqui

as Pruthvish (Jayesh's father)

as Farokh Engineer

as Himself

as Show Judge #1

as Shamsher "Don" Singh

as Irfan

as Ratan Tata

as Dr. Vardhi

as Mahadev

as Abhishek

as Col. Sanjay Shrivastav

as Ruby's father / Dr. Asthana

as Govindha 'Vindha' Bhargav

as Himanshu Shukla

as Mr. Garry

as Karan Pratap Singh

as Full Pant

as Batuk Patel

as Dr. Shroff

as Santa

as King

as Ashok Gajapathi

as Cherry Bajwa

as Tammy Irani

as Dashrat Kaul

as Bhausaheb

as Tejinder Rajpal

as Raghunandan

as Batook Patel

as Harikishan Santa

as Sanjay Raina

as Mr. Kapoor

as Bagga (voice)

as Behram Ardeshir Deboo

as Randhir "Randy" Kapoor

as Farhad Pastakia

as Sheila's Father

as Vardaan Makhija

as Principal Sharma (Special Appearance)

as Op Ramsay

as Batuk Patel

as Arman Ali

as Asu Hotmal

as Kapoor

as Doctor (Cameo)

as Viru "Virus" Sahastrabudhhe

as ENT Mental Doctor

as Hari Holkar

as Dinyar Sabri

as Rahul

as Mr. Patel

as Rajeev Batra

as AD Merchant

as Navin

as M

as Boman Presswala

as Dr. Banton

as Dr. Yatinder Khanna

as King Jaywardhan

as Tony Singh

as Bharat Sahni

as Oscar Fernandez

as Bholaram

as DCP DeSilva

as Dr. Omi Patnaik

as Tony

as DCP Paul

as Lucky Singh

as Kishan Khurana

as Yashwant Dayal

as Farokh Sethna

as Nattu Bhai

as Inspector Tejpal Randhawa

as Minister P.J. Gupta

as Michael Burnett

as Dr. Bhalerao

as Deepak Suri

as Jahangir Hayaat Khan

as The Principal

as Karan's Father

as Diamond Dealer

as Hotel Owner

as Dr. J. C. Asthana

as Nikhil

as Chandidas Ganguly

as Professor Iyer

as Host

as Judge

as Himself

as Self

as Self

as Himself

as Himself

as Self

as Self

as Self

as Himself

as Self