Shah Rukh Khan

Shekhar Subramaniam / G.One

Arjun Rampal

Ra.One

Kareena Kapoor Khan

Sonia S. Subramanium

Armaan Verma

Prateek

Tom Wu

Akaashi

Shahana Goswami

Jenny Nayar

Dalip Tahil

Barron

Satish Shah

Iyer

Suresh Menon

Taxi Driver

Atul Sharma

Airport Security Guard

Ben Hawkey

Billy

Delnaaz Irani

School Teacher

Charanpreet Singh

Airport Goon

Priyanka Chopra Jonas

Desi Girl

Sanjay Dutt

Khalnayak

Shola Adewusi

Airport Cop

Paul Lowe

Mugger

Georgia Curtis

Backing Dancer

Rajinikanth

Chitti / Self

Amitabh Bachchan

Self - Narrator (voice)

Jon Wennington

Airport Security Guard (uncredited)