Hugh Prosser

as George Millarde

as Mounted Cossack Officer

as Gideon Spillet

as Lefty - Henchman [Chs.1-4,7-9]

as Roger Bigsby

as Roper - Jeff's First Mate [Chs.1-2, 5-8]

as Jeff Carson

as Captain (uncredited)

as Syndicate Man (uncredited)

as Sir Lancelot

as Jim Laren

as Sir Bedivere (uncredited)

as Paul Radcliffe

as Morelli

as Fenton

as RCMP Sergeant Dickson

as Ringmaster (uncredited)

as Decker - Boss

as Stanley Rand

as Police Capt. Reilly

as Vic Hardy

as Tom Sneed

as Captain of Guard (uncredited)

as Red Robert

as Swede (uncredited)

as Keeler

as Mr. Long

as Lester Ward

as Fred Mallen

as Guard (uncredited)

as Nick Joel

as Detective

as Bruce Carter

as Ed Hammond

as Henchman Lucky Cramer

as Sheriff Jed Hawkins

as Seabee (uncredited)

as Sheriff Gilchrist

as Corporal (uncredited)

as Captain (Uncredited)

as Lieutenant Commander (uncredited)

as Mine Boss

as Sheriff

as Unspecified Saboteur

as Utah Kid

as Patrol Captain

as Charles Bentley

as Ship's Purser

as Cash Jennings

as Politician (uncredited)

as Barrett's Aide

as Merlin's Chauffeur (uncredited)

as Federal Man