George Newbern

as Dr. Thomas Mason(1 ep)

as Self

as Anders(1 ep)

as Dr. Jack(2 eps)

as Grant Cutter (uncredited)(1 ep)

as Bryan

as Sam Snood the Science Dude (voice)(1 ep)

as Woody Anderson

as Superman (voice)

as Walter Mills(2 eps)

as Bark

as Bark (voice)

as Addison Rickford

as Ed Smart

as Bark (voice)

as Bark (voice)

as Narrator (voice)

as Self(1 ep)

as Steve Trevor (voice)

as Steve Trevor (voice)

as Patrick

as Thomas Reynolds

as Martin Taylor

as Jason March

as Superman / Clark Kent / Robot (voice)

as Charlie(69 eps)

as Andy Beast (voice)

as Dr. Sandler

as Julian(1 ep)

as Gil(8 eps)

as Kal-El / Clark Kent / Superman (voice)

as Superman / Clark Kent (segment "The Return of Black Adam") (voice)

as Bill(2 eps)

as John Baird

as Harold

as Howard Peterson(1 ep)

as Neal Morris

as Dr. Cliff Edmunds(1 ep)

as Jimmy

as Man in Black / Guido / Man / Youth 3 (voice)

as Frank (voice)(1 ep)

as Henry Mitchell

as Dr. Brian Reynolds(1 ep)

as Frank / PVS Host

as Father Lyle Dey

as President Glen Tomarchio(1 ep)

as Andy

as Polygamist Group Member(1 ep)

as Roger Gardner(1 ep)

as Stephen Baleman(1 ep)

as Dr. Nick Townsend

as Stan Mercer(1 ep)

as Brendan McCrary(1 ep)

as Thomas O'Bannon(1 ep)

as Dr. Allen Konigsberg(1 ep)

as Alex Sheridan(1 ep)

as Superman (voice)(4 eps)

as Superman (voice)(39 eps)

as Superman (voice)

as Bill Huxley (1979)(1 ep)

as Arthur Haskell(1 ep)

as Matt Monroe(1 ep)

as Superman / Clark Kent (voice)

as Dr. Curtis Ryerson(1 ep)

as Ross Garner(1 ep)

as Kevin Weaver(1 ep)

as Jimmy Adams

as Superman (voice)

as Superman (voice)(50 eps)

as Todd Coombs(1 ep)

as Superman / Clark Kent (voice)(1 ep)

as Robert 'Ditto' Roberts III(22 eps)

as Tom

as Dr. Al Pollack(4 eps)

as Christian Nelson

as Ian Wickham

as Owen Frank(21 eps)

as Joe

as Dave(1 ep)

as Stu Roosa(2 eps)

as Walter(1 ep)

as Tommy Horton

as Jordan

as Michael Burns(1 ep)

as Theodore Rex (voice)

as Bryan MacKenzie

as Ryan Unger(1 ep)

as Danny(3 eps)

as Michael Burns(1 ep)

as Scott Frank(6 eps)

as Mike Hansen(18 eps)

as Marc

as Phillip Tyler

as Bennett Robinson

as Wedge

as Dr. Thomas Mason

as Patrick Highsmith

as Mike

as Bryan MacKenzie

as Tin Soldier

as Ren (voice)(21 eps)

as Detective Robert McKay

as Everett Rutledge(8 eps)

as Travis Rogers

as Uptown

as Siegenthaler

as Dan

as Bart/Matt

as Payne McIlroy(4 eps)

as Woody

as Eric(1 ep)