Charles K. Gerrard

as Dr. Amersham

as Mr. Whitman

as Bailiff

as Martin

as Gibson

as Bert

as Lord Leopold Ambrose Plumtree (uncredited)

as Mason

as Walter Harvey

as Cmdr. Weymouth

as Henry Lord (as Charles Gerrard)

as Count Polinac

as London Tower

as Crook

as Leonard Hardingham

as DeLeon

as Count Lazlos

as Scott's son

as Raymond Tyson (as Charles Gerrard)

as Robert Van Dorn

as Arthur Remsen

as Steve

as Dr. Carl Tanzer

as Major Russett

as Reggie De Vere

as Paul Glynn

as Lait Rodman

as Count Karaloff

as Creighton Deane

as Tom Hayden

as Ted Conroy

as Ballard 'Bal' Barrett

as 'Streffy' (Lord Altringham)

as Saladin

as Sir Peter Dare

as Clarence Topping

as Jim Slade (as Charles Gerard)

as Sir Adam Judson

as Keith Merwyn (as Charles Gerard)

as Dipley Poole

as Martin Tancray

as John Stewart

as Qualters (as Charles Gerard)

as French Pete

as Ned Ormsby

as Don Alvarez

as Duval

as Baron de Ville

as William Gurson, aka 'Will the Weasel'

as Vincent Cortez

as Van Surdam

as Theo Kameneff

as John Harland

as Hugh Varick

as Thompson

as Gordon Savage

as Grand Duke Orlof

as Gerald Grant

as Karl Wagner

as Gordon Trenwith

as Wingate

as Tom Reardon

as Lawrence Topham (as Charles Gerard)

as Capt. Francis Barold

as Charles Riddles - Ethel's Lover

as Samuel Winter

as Count Renier

as Lord Percy Brentwood