What actors and actresses appeared in Khushi - 2003?

You're likely referring to the 2003 Bollywood film "Khushi," starring:

* Fardeen Khan as Karan

* Kareena Kapoor as Khushi

* Amrita Arora as Ritu

* Shahid Kapoor as Ajay

* Anupam Kher as Khushi's father

* Boman Irani as Karan's father

* Raveena Tandon as Ritu's mother

* Raj Babbar as Ritu's father

There are other supporting actors as well, but these are the main cast members.