Harland is the brother of director Steve 'Spaz' Williams.
Harland is of Caucasian descent.
In 1998, Harland appeared in Nike Alpha Project commercials.
Harland served as an uncredited animal wrangler for the 1997 comedy Wag the Dog.
Harland stands at 6' 1½" or 1.87 m.
Harland appeared on Thank God You're Here, where he won the Blue Door Award.
In 1994, Harland Williams made his movie debut in the movie Dumb and Dumber.
Harland's radio show, The Harland Highway, can be heard over the internet from 3PM to 7PM, Mountain Time every Monday-Friday.
Harland once attended Sheridan College, but later dropped out.
Harland appeared in the Barenaked Ladies video Falling for the First Time.
Harland is the son of Lorraine Williams and John Williams who is a Member of Provincial Parliament in Ontario and who briefly served as Solicitor-General of the province.
Harland: Pumpkins are the only living organisms with triangle eyes.