Main Hoon Na

Shah Rukh Khan

Major Ram Prasad Sharma

Sushmita Sen

Miss Chandni

Suniel Shetty

Raghavan / Major Raghav Dutta

Zayed Khan

Lakshman Prasad Sharma a.k.a Lucky

Amrita Rao

Sanjana Bakshi a.k.a Sanju

Boman Irani

The Principal

Satish Shah

Professor Rasai

Kirron Kher

Mrs. Sharma

Bindu

Mrs. Kakkad

Rakhi Sawant

Mini

Praveen Sirohi

Vivek

Murali Sharma

Khan

Naseeruddin Shah

Brigadier Shekhar Sharma

Kabir Bedi

General Amarjeeth Bakshi

Kunal Kumar

Baman

Tabu

Special Appearance

Uday Chopra

Special Appearance (uncredited)

Rajeev Punjabi

Percy

Geeta Kapur

Dancer (cameo appearance)

Sajid Khan

Prom night band (cameo appearance)