Bob Tuttle (1 episode)

Secretary of State Seward

Garrett

Chilton A. Elliot

David Addington

Helmsman

William Keldon (1 episode)

Warden Murphy

McGowan (1 episode)

John Karlin (1 episode)

Professor Wallace Aldrich, PhD

Reporter

Mr. Duwald

Mr. Beale

Father Mike

Detective

Dr. Frank Linniman

Carl Shepp

Ross Buckley (1 episode)

Richard Gavin (1 episode)

Mr. Chase (2 episodes)

Hugh Mendelson (1 episode)

Reggie

Lt. Ackerman

Pogue

Alex Green (4 episodes)

Craig Bannister (2 episodes)

David Holland

Becket

Richard Putnam

Ben Allison (1 episode)

Christoper Rant (3 episodes)

Peter Chadway (5 episodes)

Ken

Danny Clark

Sergeant Mark Osborne (20 episodes)

Mr. Carstairs

Michael

Jack Dent

Kevin Butler (1 episode)

Clements (1 episode)