Shah Rukh Khan

Character: Aman Mathur

Preity Zinta

Character: Naina Catherine Kapur

Saif Ali Khan

Character: Rohit Patel

Jaya Bachchan

Character: Jennifer Kapur

Sushma Seth

Character: Lajjo Kapur

Reema Lagoo

Character: Namrata Mathur

Athit Naik

Character: Shiv Kapur

Jhanak Shukla

Character: Jiya Kapur

Delnaaz Irani

Character: Jaspreet "Sweetu" Kapoor

Lillete Dubey

Character: Jaswinder "Jazz" Kapoor

Sulabha Arya

Character: Kanta Bhen

Anaita Shroff Adajania

Character: Geeta Parekh

Sonali Bendre

Character: Dr. Priya

Shoma Anand

Character: Kammo

Kamini Khanna

Character: Vimmo

Satish Shah

Character: Karsanbhai Patel

Ketki Dave

Character: Sarlaben Patel

Simone Singh

Character: Camilla

Dheepesh Bhatt

Character: Frankie Ramdayal

Rajpal Yadav

Character: Guru

Dara Singh

Character: Pritam Chaddha

Toni Vitale

Character: Va Va Voom Girl

Steve West

Character: Mike

Bev Reese

Character: Wedding Guest

Stefanie Samuels

Character: Bagel Vendor

Nadir Hasan

Character: Basketball Player

Michael Pinkhas

Character: Office Clerk

Andrew Vannata

Character: Jenny's Restaurant Customer

Sanjay Kapoor

Character: Abhay Malhotra

Kajol

Character: Special Appearance in "Maahi Ve" Song

Rani Mukerji

Character: Special Appearance in "Maahi Ve" Song

Anil Mehta

Character: Rajnath Kapur (uncredited)

Joseph Gatt

Character: Dancer in Club (uncredited)

Nikolett Lemmon

Character: Singer in Choir (uncredited)

Uday Chopra

Character: Day 6 Narrator (uncredited)

Farah Khan

Character: Jenny's Restaurant Customer (uncredited)

Karan Johar

Character: Jenny's Restaurant Customer (uncredited)