Salman Khan with 'Dr Cabbie' cast at the Toronto premiere of the film

From left: Kunal Nayyar, Isabelle Kaif, Salman Khan and Vinay Virmani at the premiere of Dr Cabbie. Sallu is presenting the film while Isabelle is Katrina Kaif's sister.

Kunal Nayyar is a British Indian actor and writer known for his role as Dr. Raj Koothrappali in the sitcom 'The Big Bang Theory'.

Isabelle who is Katrina's sister is making her Bollywood debut with the film.