as Gerhard Falkstein

as Prof. Summerlee

as Quentin Bartlett

as Thomas Rogers

as Caterpillar (voice)

as Roger Winant

as Prof. Oddly

as Sir Henry Vining

as Max Detweiler

as Specialty

as Limo

as l'empereur François-Joseph

as Christopher Wellington St. John Denny

as Alfred North

as Deputy Commissioner Hewitt

as Dr. Chisholm

as Mr. Clarence Appleton

as William Brown

as Jason Reid

as Earl of Radcliffe

as Rupert Rowbotham

as Jerome Thisbee

as Horatio

as Dr. Avord Barrett

as Horatio Willing

as Bookworm (voice) (uncredited)

as Baron Popoff

as Andre LeBlanc

as Chuck

as John Fusenot

as Bertie Searles

as George Lockwood

as Charley Wyckham

as Prologue Narrator (uncredited)

as Mr. Fulcher

as Andrew Kidder

as Jonathan Wilson

as Oliver Wiggins

as The Victim (voice) (uncredited)

as The Accountant

as Director

as Director

as Director