NYC-born Marty was always a natural actor. His first role was in the psychological thriller Bury the Evidence. The next year, Grabstein's voice talents earned him his most iconic role: Courage on Cartoon Network's Courage the Cowardly Dog.

Marty’s other film credits include Apartment #5C and Third Watch, and he has been featured on Law and Order and Law and Order Special Victim's Unit.

Theses days, Marty lives in New Jersey with his wife Nancy and his two boys Matthew and Daniel, but you can find him here at Dad’s Garage for one night only!