Sir Hubert Warrington
Joey Faust
Dr. Wayne McGregor
Phillip Harvey
Tom Steel
Tom Griffith
Capt. Burnham
Ken Harrison
Frank James
Hawkins
Parry Sandborn
Charles Rumsden
Capt. Walter Riley
Slade Wickstrom
Tino Morelli
Colonel Custer
Boyd, Public Relations (uncredited)
Police Lt. Ned Daggert
Sgt. James Francis Marlowe
Gad Moran
Telegraph Operator
Charlie Veer
Helicopter Pilot
Tate Hardy
Daniel L. "Danny" McCracken
Trooper Clancy
Mel Dixon
Brad Morton
Officer Jackson
'Wild' Bill Hickok
Captain Garfield, U.S. Calvary
Harve Garrison
Kevin / Brian O'Hara
Brinkley
George Keane
Colin Mayberry
Cliff Taggert
Capt. Frenchy
Dave Rudabaugh
Sgt. John Phillips
Marty Martin
Emers
Steve Daniels aka Steve Adams
Cliff Roberts, aka Jack Granger
Murphy
Det. Bailey
Mitch (uncredited)
Rodney Ackroyd
Alec Dawning
Prosecuter Kenneth 'Ken' Vedder
Joe Bearclaws
Narrator (uncredited)
Opening Off-Screen Narrator (uncredited)
Henchman Bob Mitchell
Vic Lardner
Reporter (uncredited)
Narrator (Voice)
Lee Price
Hap Richie
Costello
Don Rodrigo
Steve
Mountie (uncredited)
Dr. Wirth / Opening Off-Screen Narrator
Car Salesman (uncredited)
Doberman
Herb Delaney
Bill (uncredited)
Detective Kennedy
Guard
Roger
District Attorney at inquest
NYC Emergency Room doctor
Jeff Hunter
Announcer (voice) (uncredited)
Mr. McGraw
Doorman at Rehearsal
Hotel Clerk (Uncredited)
College Boy (Uncredited)
Constable Carter
Party Guest
Timothy
Intern (uncredited)
Secretary