John Bowers

as Jim Leyton

as District Atty. Carlson

as Dr. Burnes, surgeon

as Jimmy Keane

as Bob Kelly

as Ted Mason

as Jim Winston

as James Finlay

as Bill Harvey

as Laddie

as Hamlin

as McCloud

as Wilson Travers

as Gary Tynan

as Mike Horgan

as Dick Foster

as Barry Dunne

as Prince Alexei

as Pervus DeJong

as Captain Manning

as Milt Kimberlin

as Grant Van Gore

as Sir Kenneth, Knight of the Leopard

as Bob Elkins

as Dick Alden

as Hugh Miller Whittaker

as Jim Parker

as Paddy Miles

as Davis Jordan

as Jim Russell

as Quincy Adams Sawyer

as John Ridd

as Day Illington

as John Somers

as John Webster

as James Llewelyn

as Graham

as Clark Moran

as Tom Donaldson

as Dentist's Patient

as Forrest

as The Sky Pilot

as Hunter

as Dan Darrin

as Clayton

as John Ordham

as Paul Ramsey

as Richard Perry

as Vernon, Lord Bantock

as Burt Radcliffe

as Gene Giles

as George Howard / Byron Mulvaney

as Ridy Scarboro

as Dan O'Hara

as Harry Caton

as Tom Wentworth

as Tim Stanton

as Dick Turner

as Billy West

as Dr. Ross Alger

as Hugh Carton

as Don Chadwick

as Oliver West

as Joseph Ashburn

as Fitzhugh Castleton

as Paul, Viscount de Sallure

as David Gordon

as Simon Skinner

as Alexis Nazimoff

as Dick Mortimer

as Robert Penfield

as Allan Walton

as Rev. Robert Carter

as Owen Wharton

as Monsieur Floriot

as John Langton

as Lionel

as Dick Madison