Mark Linn-Baker is an American stage and screen actor and director. He is best known for his portrayal of Larry Appleton on the television sitcom "Perfect Strangers". He holds an MFA in Drama from the Yale School of Drama, New Haven, Connecticut.
The movie begins with Harley Quinn (Grey DeLisle) Joker's ex-girlfreind who sees Joker's ghost (Jack Nicholson) right in front of her window. He tells Harley to "Kill the Batman!" she replies by "I Will!" with an insane laugh and smashes the window.
