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