John Bowers

as Jim Leyton

as District Atty. Carlson

as Dr. Burnes, surgeon

as James Finlay

as Jimmy Keane

as Bob Kelly

as Ted Mason

as Jim Winston

as Hamlin

as Gary Tynan

as McCloud

as Laddie

as Wilson Travers

as Bill Harvey

as Mike Horgan

as Barry Dunne

as Dick Foster

as Prince Alexei

as Captain Manning

as Pervus DeJong

as Milt Kimberlin

as Grant Van Gore

as Jim Russell

as Sir Kenneth, Knight of the Leopard

as Davis Jordan

as Dick Alden

as Bob Elkins

as Jim Parker

as Paddy Miles

as Hugh Miller Whittaker

as John Somers

as John Webster

as John Ridd

as Day Illington

as James Llewelyn

as Quincy Adams Sawyer

as Clark Moran

as Tom Donaldson

as Forrest

as The Sky Pilot

as Dentist's Patient

as Graham

as Hunter

as Paul Ramsey

as John Ordham

as Clayton

as Dan Darrin

as Burt Radcliffe

as Dan O'Hara

as Ridy Scarboro

as George Howard / Byron Mulvaney

as Gene Giles

as Vernon, Lord Bantock

as Richard Perry

as Billy West

as Tim Stanton

as Harry Caton

as Tom Wentworth

as Hugh Carton

as Dr. Ross Alger

as Dick Turner

as Fitzhugh Castleton

as Dick Mortimer

as David Gordon

as Joseph Ashburn

as Alexis Nazimoff

as Paul, Viscount de Sallure

as Oliver West

as Don Chadwick

as Allan Walton

as Monsieur Floriot

as Owen Wharton

as Rev. Robert Carter

as Robert Penfield

as Lionel

as John Langton

as Dick Madison