Glenn Hawke (uncredited)
Leslie Harrington (460 episodes)
Maj. Forsythe (uncredited)
Jim Stern (uncredited)
Sheriff Johnny Kyle (1 episode)
Beauregard
Sheriff (1 episode)
Bartlett (1 episode)
Dr. Ian Lamb (1 episode)
Mr. Jones
Ralph Morse (1 episode)
The Architect (1 episode)
Dr. Stan Sandholm (1 episode)
Marshal (1 episode)
Dr. Walter Halsey (1 episode)
Sgt. Sean McGrath (1 episode)
Ben Scanlon
Spencer
Jack Vickery (uncredited)
Lt. Gen. Stone
Mr. Garrick (1 episode)
Col. Matthews
Police Lt. Peter Maas (1 episode)
Luke Plummer
Harry Vance (1 episode)
Simon Atley (1 episode)
Assistant D.A. Bertram Telford (1 episode)
Bertram Telford (1 episode)
Prosecutor Green (1 episode)
Van Wert (1 episode)
Jake Parker
Charlie Carey
Rip Coker
Arthur Summers (1 episode)
Fred Graham (1 episode)
Buddy Bliss
Garry Anchor (1 episode)
Colonel Howe
Carl (1 episode)
Matthews (1 episode)
Scottie Barrow (1 episode)
John 'Jack' Martin (1 episode)
Dr. Ralph Spencer (1 episode)
Ray Patrick
Dr. Harvey W. Wiley (1 episode)
Dr. Frank Parrish
Johnny Ames (1 episode)
Lt. Manley
Mal Martin (1 episode)
Landry (1 episode)
Cochran (1 episode)
Pete Hunter (1 episode)
Stacey Harris (1 episode)
Captain Joshua Patten (1 episode)
Mike Barnaby (1 episode)
John Temple (1 episode)
Dan Traver
Brian McLennan
Marsh Huddlestone
Bill Kemp
Ed Poole
Nick Sanders
Johnny Coulter
Tom Yeary
Young Doctor (uncredited)
Mr. Gillespie
Oscar Hammerstein II
John Walker (uncredited)
Ens. 'Andy' Andrews
Mr. Winthrop (uncredited)
Barry Gifford
Joe Brent
Tom Clayworth (uncredited)
Peter Selkin (uncredited)
Violet Goss
Captain 'Ski' York
Naval Officer (uncredited)