Special Guest Stars Matt Bomer voices Larry Trainor / Negative Man Riley Shanahan as Cliff Steele / Robotman Matthew Zuk as Larry Trainor / Negative Man Joivan Wade as Victor Stone / Cyborg Guest Stars James Scully as Bernard Fitzmartin Brendan Fraser voices Cliff Steele / Robotman Allegra Fulton as Helena Co Starring MacKenzie Boyd-Garrison as Lab Tech Fallon Bowman as Dr. Helen Fabian Vardan Deroché as Teen Gamer Marissa Orjalo as E-Girl
