
Professor Stephen Castle

Robert

Russell Sprout

Paddy Door Man

Dr. Peterson (4 episodes)

Principal (1 episode)

Mr. Olsen (1 episode)

Dr. Dennis Keil (1 episode)

Mike Foreman (1 episode)

Civil War Major (1 episode)

Shel Keneally (1 episode)

Charles Wallace (1 episode)

Newburg's Attorney (1 episode)

Maxwell Forrest (14 episodes)
Klingon Captain (1 episode)
Kreetassan Captain (2 episodes)
Captain Maximilian Forrest (1 episode)

Agent Myers (1 episode)

Sgt. McNamara (1 episode)

Greg Mitchell (1 episode)

Mr. O'Lare (1 episode)

Sheriff Collins

Marty Hemmet (1 episode)

Judge Williams (1 episode)
Lane Black (2 episodes)

Mr. Hassick (1 episode)

Fred Briggs (1 episode)

Police Officer (1 episode)

Security Guard (2 episodes)

Captain (2 episodes)
Minister (1 episode)

Trooper

Telek R'Mor (1 episode)
Alpha-Hirogen (2 episodes)
Korath (1 episode)
Lansor / Two of Nine (1 episode)
Vidiian Captain (1 episode)

Blackhawk Pilot

Gul Danar (1 episode)
Seskal (2 episodes)

Mr. Breskin (2 episodes)

Lt. Coleman (2 episodes)

Gary Hayes

Fred Trump (1 episode)

Paul Bettencamp / Alien

Uncle Val (1 episode)
Mr. Osborn (1 episode)

Commander Korris (1 episode)

Rob O'Connell (1 episode)

Captain Cummings

Reporter

Jefferson Institute Security Guard (uncredited)

Tom Prince























