 He was the first person to play the voice of King Graham, the hero of the "King's Quest" series.He also played Shamir Shamazel in "King's Quest VI", Steve Dorian in "The Dagger of Amon Ra", and numerous other minor roles.In 2001, Mandel reprised the role of King Graham for the unofficial fan-made remakes "King's Quest I", "", and "King's Quest III Redux" by AGD Interactive and "" by Infamous Adventures.