Ned

Narrator (voice)

Oliver

Christoph (4 episodes)

Peter Stanford

Sherlock Holmes (voice) (1 episode)

Damien Sands (1 episode)

Terry

Paul (1 episode)

Himself (2 episodes)

Johannes Gathrid (1 episode)

First (1 episode)

Ultra-Humanite (voice) (3 episodes)

Dr. Fields (1 episode)

Evan Kurlander

Raynor (2 episodes)

George

Franz Planck (1 episode)

Dr. Abel Cuvier (voice) (1 episode)

Connor (voice) (1 episode)

Andy Pallack

Laszlo Forsmann (1 episode)

Constantine (voice) (1 episode)

Jules Kimball (1 episode)

Roger Putnam

Terrence

Wax

Victor Drake (1 episode)

Jonathan Litman (1 episode)

Lester Guy (3 episodes)

Mack (1 episode)

Stan Kovacs (1 episode)

Dick Tremayne (12 episodes)

Sean Brantley (1 episode)

Mr. Huberty

Harried Man (1 episode)