Martin Eugene Mull (born August 18, 1943) is an American actor who has appeared in many television and film roles. He is also a comedian, painter, and recording artist. As an actor, he first became known in his role on Mary Hartman, Mary Hartman and its spin-off Fernwood 2 Night. Among his other notable roles are Colonel Mustard in the 1985 film Clue, Leon Carp on Roseanne, Willard Kraft on Sabrina, the Teenage Witch, and Russell the pharmacist on the hit sitcom Two and a Half Men.

Biography

Twice divorced, Mull is married to singer Wendy Haas. The two have a daughter, Maggie.

In a 2010 interview on The Green Room with Paul Provenza, Mull identifies himself as an atheist, saying "I certainly don't begrudge someone else their choice to follow whatever they do, it's just for me, it doesn't make a lot of sense. I think more harm has come to this planet through organized religion, probably, than any single situation that we've invented."