Kal Ho Naa Ho

Shah Rukh Khan

Aman Mathur

Preity Zinta

Naina Catherine Kapur

Saif Ali Khan

Rohit Patel

Jaya Bachchan

Jennifer Kapur

Sushma Seth

Lajjo Kapur

Reema Lagoo

Namrata Mathur

Athit Naik

Shiv Kapur

Jhanak Shukla

Jiya Kapur

Delnaaz Irani

Jaspreet "Sweetu" Kapoor

Lillete Dubey

Jaswinder "Jazz" Kapoor

Sulabha Arya

Kanta Bhen

Anaita Shroff Adajania

Geeta Parekh

Sonali Bendre

Dr. Priya

Shoma Anand

Kammo

Kamini Khanna

Vimmo

Satish Shah

Karsanbhai Patel

Ketki Dave

Sarlaben Patel

Simone Singh

Camilla

Dheepesh Bhatt

Frankie Ramdayal

Rajpal Yadav

Guru

Dara Singh

Pritam Chaddha

Toni Vitale

Va Va Voom Girl

Steve West

Mike

Bev Reese

Wedding Guest

Stefanie Samuels

Bagel Vendor

Nadir Hasan

Basketball Player

Michael Pinkhas

Office Clerk

Andrew Vannata

Jenny's Restaurant Customer

Sanjay Kapoor

Abhay Malhotra

Kajol

Special Appearance in "Maahi Ve" Song

Rani Mukerji

Special Appearance in "Maahi Ve" Song

Anil Mehta

Rajnath Kapur (uncredited)

Joseph Gatt

Dancer in Club (uncredited)

Nikolett Lemmon

Singer in Choir (uncredited)

Uday Chopra

Day 6 Narrator (uncredited)

Farah Khan

Jenny's Restaurant Customer (uncredited)

Karan Johar

Jenny's Restaurant Customer (uncredited)

Nikkhil Advani

Director

Mamta Anand

Assistant Director

Punit Malhotra

Assistant Director

Arjun Kapoor

Assistant Director

Kapil Chopra

Assistant Director

Ana Cuadra

First Assistant Director

David Coombs

First Assistant Director

Shiraz Siddique

Assistant Director

Tarun Mansukhani

First Assistant Director

Karan Johar

Screenplay

Karan Johar

Story

Niranjan Iyengar

Dialogue