Alexander Scourby

Karakter: Lucas Coleman

Karakter: Count Boria

Karakter: Eli Bothwell

Karakter: Professor Amadeus / Wolfgang Wolp

Karakter: George Andreas

Karakter: Garrett Nolan

Karakter: Judge Philip Hallson

Karakter: George Matthias

Karakter: George Harper

Karakter: Jean Millain

Karakter: Albert Hadley

Karakter: Byron Claremont

Karakter: Walter Gerrick

Karakter: Judge Coogan

Karakter: King

Karakter: Old Polo

Karakter: Colonel del Armija - Interrogator

Karakter: Joseph Priestley

Karakter: Dr. Paul Y. Gorman

Karakter: Joe Markheim

Karakter: Horace Meade

Karakter: Hubbell Robinson (uncredited)

Karakter: Frank Martin

Karakter: Dr. Ian Northcoate

Karakter: Narrator (voice)

Karakter: Narrator (voice)