Producer

Creator

Montgomery Clift

John McGavock Grider

Jerry Frank (10 episodes)

The Flash (voice)

Self (1 episode)

The Flash / Barry Allen (voice)

David Oppenheim

Hawkins 'Hawk' Fuller (8 episodes)

Executive Producer (8 episodes)

Old Man (voice)

Ken

The Flash (voice)

Jack Beck (7 episodes)

Michael (2 episodes)

The Flash / Barry Allen (voice)

Self (2 episodes)

Donald

Self (1 episode)

Jamie Burns (archive footage) (1 episode)

Jamie Burns (8 episodes)

Self (1 episode)

Sean

Larry Trainor / Negative Man (voice) (46 episodes)

McCoy Whitman (6 episodes)

Ross Crane

Larry Trainor / Negative Man (voice) (2 episodes)

Sam

Freda Von Rhenburg

Director (1 episode)

Monroe Stahr (9 episodes)

Self - Guest (2 episodes)

Cal

Self (2 episodes)

Matthew Cullen

John Boy

Ken

Self (1 episode)

Donovan (12 episodes)

Andy (1 episode)

Ted

Felix Turner

Self (2 episodes)

Young Man

Clark Kent / Superman (voice)

Monty (1 episode)

Ken

Cooper Anderson (1 episode)

Jeff Zarrillo

Henry Hamilton

Neal Caffrey (81 episodes)

Producer (19 episodes)

Bryce Larkin (7 episodes)

Self (1 episode)

Jay Burchell (8 episodes)

Eric

Eric

Luc Johnston (14 episodes)

Driver agent (1 episode)

Ian Kipling (2338 episodes)