Charles K. Gerrard

as Martin

as Lord Leopold Ambrose Plumtree (uncredited)

as Cmdr. Weymouth

as Sir Adam Judson

as Mason

as Major Russett

as Walter Harvey

as Gibson

as Bailiff

as Reggie De Vere

as Charles Riddles - Ethel's Lover

as Creighton Deane

as Ballard 'Bal' Barrett

as Scott's son

as William Gurson, aka 'Will the Weasel'

as Raymond Tyson (as Charles Gerrard)

as Steve

as Count Karaloff

as Leonard Hardingham

as Henry Lord (as Charles Gerrard)

as French Pete

as 'Streffy' (Lord Altringham)

as Paul Glynn

as Vincent Cortez

as Martin Tancray

as Keith Merwyn (as Charles Gerard)

as London Tower

as Theo Kameneff

as Arthur Remsen

as DeLeon

as Gordon Savage

as Mr. Whitman

as Van Surdam

as Lawrence Topham (as Charles Gerard)

as Crook

as John Stewart

as Sir Peter Dare

as Count Polinac

as Count Lazlos

as Qualters (as Charles Gerard)

as Tom Hayden

as Ted Conroy

as John Harland

as Don Alvarez

as Ned Ormsby

as Jim Slade (as Charles Gerard)

as Dipley Poole

as Duval

as Dr. Carl Tanzer

as Robert Van Dorn

as Clarence Topping

as Hugh Varick

as Bert

as Thompson

as Count Rostoff

as Saladin

as Count Renier

as Karl Wagner

as Capt. Francis Barold

as Wingate

as Dr. Amersham

as Gordon Trenwith

as Grand Duke Orlof

as Gerald Grant

as Samuel Winter

as Lord Percy Brentwood

as Tom Reardon