Curd Jürgens

~ as ~

Professor Immanuel Rath

May Britt

~ as ~

Lola-Lola

Theodore Bikel

~ as ~

Klepert

John Banner

~ as ~

Principal Harter

Fabrizio Mioni

~ as ~

Rolf

Ludwig Stössel

~ as ~

Dr. Fritz Heine

Wolfe Barzell

~ as ~

Clown

Ina Anders

~ as ~

Gussie

Edit Angold

~ as ~

Emilie, Rath's Maid (uncredited)

Gene Roth

~ as ~

Drunken Sea Captain (uncredited)