William Austin

as Barnaby

as Forbes (uncredited)

as Reporter (uncredited)

as Musician (uncredited)

as Alfred

as Detective Gannett

as Spectator

as Inquisitive Stranger

as Mr. Martingale

as Bob's Butler (uncredited)

as Constable Holly

as Sneed, Hammle's Butler (Uncredited)

as Arthur Summers

as Salesman

as Trelawney Redfern

as Clerk in Chase's office

as Cyril Glossop

as Englishman at Party (uncredited)

as Mathews

as Gryphon

as Duke of Cleves

as Harris

as Wilberforce Strangeways

as Ollie's Hospital Roommate

as Duke

as Jellicott

as Richard Bentinck

as James Raleigh

as Basil Pistol

as Lord Eustace

as Jasper Hickson

as Partygoer ('Impulses') (uncredited)

as Mr. Poffley

as Sylvester Wadsworth

as Sylvester Wadsworth

as Mr. Z

as Prof. Percy Willow

as Lord Wrench

as Aubrey Weems

as Dr. Eustace Gill

as Percy Jones

as Raymond of Boston

as Engineer

as Percy Penfield

as Monty Montgomery

as Lord Tarbotham

as George Bagnall

as Mr. Spangle PhD.

as Det. Hall

as Louis Carruthers

as Banning-Green

as Algy

as Andre's Assistant

as Alfred Wimbledon

as Eric Lancefield

as Henry Fuller

as Mortimer Allison

as Harold Crosby, cub reporter

as Gerly - The Valet

as Dal Brown

as Dr. Harry Oldershaw

as Theodore Van Felt

as Riggs

as Arthur Rockmere

as Joe's Friend (uncredited)

as Lord Allan Harrowby

as George Sears

as Archie

as Mr. Belknap-Jackson

as Reggie

as Wilbur

as Peter Carter

as Reggie Barrett