Peter

Grant Spencer

Parker Martin (1 episode)

Detective Jack Lombardo (1 episode)

Dr. David Secord

Thadiun Okona (voice) (2 episodes)

Okona (voice) (1 episode)

Dave Secord (voice) (43 episodes)

Dale Tyler (8 episodes)

John Cardinal (24 episodes)

Sinclair

Thomas Fineman (8 episodes)

Thomas Fineman

Captain Emerson

Andrew Jennings

Dr. Alan Farragut (26 episodes)

Military Newscaster

Abner Beech

Mr. Billings

Mannie

Darren Richmond (26 episodes)

Ron

Ben Brinkley (3 episodes)

Tom Hart

Dr. Bruce Manlius (1 episode)

Detective Jack Crowe (2 episodes)

Richard

Al Shines

Wayne Callison (3 episodes)

Carter Buckley (7 episodes)

Ron Polikoff (1 episode)

Jordan Collier (27 episodes)

Self (1 episode)

Tom Bartos (1 episode)

Ted Bundy

Maj. Gen. George Pickett

Mitch Hiller

Dr. Jon Fielding (4 episodes)

Streete Wilder

Moses (2 episodes)

Rick Sammler (63 episodes)

Clay Jarvis

John Macy

Jon Fielding (6 episodes)

Clint (1 episode)

Menno

Robert

Harrison

Luke (1 episode)

John Barton

Miles Keogh (as Bill Campbell)

Steve Hunter

Delbert Mosley

Lieut. Pitzer

Jon Fielding (5 episodes)

Walter Tatum (13 episodes)

Shep

Quincey P. Morris

Cliff Secord

Tommy Trehearn

Young Man

Capt. Thadiun Okona (1 episode)

Editor

Det. Joey Indelli (43 episodes)

Det. Joey Indelli

Nick Desmond (1 episode)

Luke Fuller (19 episodes)

Lyle (1 episode)