Dr. Louis Graber
Jim Holt
Dr. Dean
Dr. Grewe (1 episode)
Freiderich Werthers (15 episodes)
Francis J. Dupont (11 episodes)
Kenneth Benson
Lloyd Grayson
Dennis Peck (7 episodes)
Roger Caldwell
Lawrence Hennessey
Dr. Vedders
Henry Tilton
Lars Browing
Thomas Kemp (1 episode)
Stan Hoffbrauer
Joseph Mayfield
Mr. Conceito
Martin Strang
Gray Ballantine
Luke Reilly
Ted Dixie
Bill Coonts
Dr. Hanson
Walter Kominsky
Karl Kruger
Richard Lawson
Harry Karl (1 episode)
Bill Alexander
Dr. Levin (1 episode)
Captain Flemming
Jeff
Aaron Fuller (1 episode)
Roy Deanza
Judge Wilkens
Bank Manager
Dr. Richard Sohn
Technician
Donald Kentor
Daniel Gibson
Rick Wallace (1 episode)
Chief Dorian
Ted Archibald (1 episode)
Mr. Von Fleet (1 episode)
Dave Carver
Principal Meyer (1 episode)
Peter Langdon
Dr. Greenfield (uncredited)
Dr. Michael Jonas
Charles Buffett
Wyatt
Agent Alexander Curtis
Marshall Bagot (3 episodes)
Doug Jennings
Roger Chatsworth (1 episode)
Director Paul Simms (3 episodes)
Mr. Melville (3 episodes)
Officer Murphy (segment "Neighborhood Watch") (1 episode)
Chancellor Chandos (1 episode)
Dr. Pierce Malcolm (1 episode)
Malcolm
Dr. Bass
Richard Castlemore
Roger
Dan Harmon (1 episode)
Jack Doulan
Peter Enwright
Ian Hall's Attorney
Prosecutor Leneck
Father McClellan
Richard Ellis
Howard O'Connor (2 episodes)
Frank Mulroney (2 episodes)
Marty Pruitt (2 episodes)
Vic (1 episode)
Mr. Johnston (1 episode)
Dr. Klein
Superintendent Emerson
1. Offizier William M. Murdoch (2 episodes)
Dean Atkins
Mr. Harnsberger
Jim Shepherd
Ben Cabell
Adam Fontaine (1 episode)
Regent (1 episode)
Nelson
Dr. Peter Garland
Dr. Marsolais
Duncan Miller
Edward Slocum
Dr. Gordon Lindblom - Exxon
Maj. Tom McGuire
Henry Jordan (2 episodes)
George Hadley (1 episode)
Frank Skinner (1 episode)
Bill Marsh (1 episode)
Jason LeMay (1 episode)
Prosecutor (uncredited) (1 episode)
Frank Hamilton (1 episode)
Suitor #1
Tim Treadway (1 episode)
Producer