John St. Polis

as Professor (uncredited)

as Simkins

as Minor Role (uncredited)

as Joseph Manners

as Doc Hunter

as Superintendent Keene

as Davis

as Crane

as Pat Doyle

as Roger Morton

as Carl Roemer

as Townsman

as Caleb Delthern

as Doctor

as Chandler Elliott

as Coxon

as Mr. Abrams

as Dr. Munro

as Jim

as Sheriff Sam Corwin

as Prof. Trowbridge

as Opera Conductor (uncredited)

as Jerome T. Shelby

as Attorney General Davis (uncredited)

as Defense attorney

as Colonel Charles Ormsby

as French Police Investigator (uncredited)

as Governor

as Grover Cromwell

as John J. Martin

as Robert Henley

as Doctor Consoling Nasa (Uncredited)

as Glidden Associate (uncredited)

as Banker (uncredited)

as Dr. Niergardt

as John Nichols

as Dr. Schifflen

as Dr. McDonald

as John Tracy

as Dr. Rinewulf

as Passport Official at Airport

as Madeleine's Father

as U.S. Ambassador

as Hotel Manager

as General

as Judge Advocate (as John M. St. Polis)

as Serafin, Arturo's Butler

as Dr. Mark Wyndram

as The Imam Mahmud

as John Rountree

as Von Kemper

as Judge

as Philip Vantine

as Polk

as Don Diego

as Pedro

as Judge

as Dr. John M. Besant

as Pa Kelly

as Andrew Stratton

as Mouvet

as Father

as Defense Attorney

as Surgeon (uncredited)

as Erastus Mason

as Comte de Maigny

as Prof. Leopold Eberhardt (as John Sainpolis)

as Count Filippo Sturani

as Mark Kelsey (as John Sainpolis)

as Comte Philip de Chagny

as Inspector

as André du Vallois

as Monahan

as The King

as Dr. Philip Logan

as Ridgeway (modern sequence)

as Colonel de Gontran (Prologue)

as Rossland (as John Sainpolis)

as Dexter

as Andrew Lane

as Self - Celebrity Actor in Commissary

as John Crawshay

as Dr. Copin

as Mario

as Defense Attorney

as Milo Bleech (as John Sainpolis)

as Hiram Burbeck

as Nate Snow

as Etienne Laurier

as Skinner (as John Sainpolis)

as Jean Paurel

as Jeffrey Bretton

as Black Jack Burg

as Sam Tupper

as Kaiser

as Judge Hoyt

as Clavering

as Duvernet

as Harvey Brooks

as Dejoie

as Edwin Bryce

as David Moulton

as Dr. Hamilton Welsh

as Albert Sassoon

as Hanby

as Fedia

as Dr. Hugh Ellis

as Pres. Alvarez