Dr. Bill Cortner (archive footage)

(Archival Footage)

Lou

Dr. Jim Lord (1 episode)

Taggart (1 episode)

Marshall MacGill (1 episode)

(1 episode)

Warren Avery (1 episode)

Herb Bremen (1 episode)

Edward Grant (1 episode)

(1 episode)

Harry Stillwell

(1 episode)

(1 episode)

(1 episode)

Fred Gesslin (1 episode)

Dr. Elliot Snow

(3 episodes)

Larry Fallon (1 episode)

Brad Davies (1 episode)

Paul Silvan (1 episode)

(1 episode)

Ty Shorter

Dr. Peter James (1 episode)

Atar (2 episodes)

Atar

Jason Monroe

Capt. Topping (1 episode)

Alan Grant (1 episode)

(1 episode)

Commander Kirk

Darcy (1 episode)

(1 episode)

Gil Turner (1 episode)

(1 episode)

Martin Forester

(1 episode)

(2 episodes)

Art Miller (4 episodes)

E-2

Ken Palmer (1 episode)

Charles Irwin (1 episode)

Wallis (1 episode)

Lt. Dexter (1 episode)

Michael Cannon

Simmons

(1 episode)

Walter Townsend (3 episodes)

Ray Dunson (1 episode)

Rael (1 episode)

Commander Beech (1 episode)

(4 episodes)

Capt. Coleman

Jason Grenoble

(1 episode)

Garret Hamilton (1 episode)

(7 episodes)

Ramon (2 episodes)

Ramón

Maj. Dan Keller (1 episode)

(2 episodes)

Pvt. Jim Culley (1 episode)

Dirk (1 episode)

Sheriff Harry Lundy (1 episode)

Allen Bennett (1 episode)

Captain Thomas (1 episode)

Colter (1 episode)

George Akers (1 episode)

(1 episode)

Professor Joseph Howe (1 episode)

Steve Janos (1 episode)

Dr. Conrad

Ben (1 episode)

Collie (1 episode)

Charlie Ross (1 episode)

Dr. Bill Cortner (as Herb Evers)

Rick Leyton (1 episode)

(1 episode)

(1 episode)

(1 episode)

George Tess (1 episode)

Stuart Benton (1 episode)

Clint Robert Miller (1 episode)

Roy Galen (1 episode)

Tom Blackwell (1 episode)

J.D. Lambert (1 episode)

(1 episode)

(2 episodes)

Pitcairn (6 episodes)

Sheriff Blackie Faulkner

(1 episode)

(1 episode)

(1 episode)

Bit Role (uncredited)