Indo-Trinidadian actor, residing in Canada, Errol Sitahal, starred in 2004 American stoner comedy film, directed by who?
Errol Sitahal:  In 2004, he played the stern Dr. Patel, father to Kumar (Kal Penn) and Kumar's older brother Saikat (Shaun Majumder), in "Harold & Kumar Go to White Castle".
i don't know