Curd Jürgens
Role: Professor Immanuel Rath
Theodore Bikel
Role: Klepert
John Banner
Role: Principal Harter
Ludwig Stössel
Role: Dr. Fritz Heine
Edit Angold
Role: Emilie, Rath's Maid (uncredited)
Gene Roth
Role: Drunken Sea Captain (uncredited)
Stella Stevens
Role: Chorus Girl (uncredited)
BarBara Luna
Role: Chorus Girl (uncredited)
Winona Smith
Role: Specialty Dancer (uncredited)
Cosmo Sardo
Role: Customer (uncredited)
Carmen Austin
Role: Chorus Girl (uncredited)
Brian Avery
Role: Ansbach, Student (uncredited)
Al Bain
Role: Club Patron (uncredited)
Brandon Beach
Role: Club Patron (uncredited)
John Bleifer
Role: Blue Angel Proprietor (uncredited)
Ilse Burkert
Role: Chorus Girl (uncredited)
James J. Casino
Role: Club Patron (uncredited)
Bud Cokes
Role: Stagehand (uncredited)
Jack Deery
Role: Club Patron (uncredited)
Voytek Dolinski
Role: Mueller, Student (uncredited)
Del Erickson
Role: Lohmann, Student (uncredited)
Franklyn Farnum
Role: Blue Angel Customer (uncredited)
Gerry Gaylor
Role: Woman in the Shadows (uncredited)
John George
Role: Club Patron (uncredited)
Lars Hensen
Role: Club Patron (uncredited)
Stuart Holmes
Role: Club Patron (uncredited)
Willy Kaufman
Role: Professor (uncredited)
William Kirschner
Role: Professor (uncredited)
Hans Moebus
Role: Professor (uncredited)
Richard Richonne
Role: Electrician (uncredited)
Franz Roehn
Role: Professor (uncredited)
Jerry Rush
Role: Club Patron (uncredited)
Norbert Schiller
Role: Landlord (uncredited)
Scott Seaton
Role: Club Patron (uncredited)
Sammy Shack
Role: Club Patron (uncredited)
Cap Somers
Role: Club Patron (uncredited)
Arthur Tovey
Role: Club Patron (uncredited)
Richard Tyler
Role: Hans Keiselsack, Student (uncredited)
Paul Von Schreiber
Role: Werner, Student (uncredited)
Otto Waldis
Role: Policeman (uncredited)
Ken Walken
Role: Ertzum, Student (uncredited)