Ingrid Andree as Lona Stevenson

Harald Leipnitz as Henry Stevenson

Joachim Brennecke as Dr. Alexander

Konrad Georg as Sergeant Duffy

Siegfried Lowitz as Evans

Frank Rehfeldt as Mr. Freeman

Lis Verhoeven as Sally

P. Walter Jacob as Jim Cotterell

Manfred Inger as Morano

Katren Gebelein as Miss Jennings

Ellen Hille as Schwester

Paul Glawion as Mr. Hanshaw