Mark Douglas Lutz is a Canadian actor, who is best known for playing Groosalugg in the television series Angel and for writing and starring in Victor, a two-hour film on the life and death of Victor Davis.

Lutz earned a Bachelor of Arts degree in political science from the University of Guelph.

Lutz starred in a biopic about the late Canadian Olympic swimmer Victor Davis.

Victor was filmed in 2007 and was telecast on January 13, 2008, on CBC Television and was the highest rated movie-of-the-week in ten years for the network.

Lutz also appeared as the Groosalugg "Groo" on the TV series Angel.