Heinz Rühmann

as Dr. Hiob Prätorius

Liselotte Pulver

as Violetta

Fritz Rasp

as Shunderson

Werner Hinz

as Höllriegel

Fritz Tillmann

as Dr. Klotz

Klaus Schwarzkopf

as Dr. Watzmann

Peter Lühr

as Prof. Speiter

Käthe Itter

as Oberschwester

Robert Klupp

as Rektor

Tatjana Sais

as Ex-Haushälterin von Prätorius

Lisa Helwig

as Haushälterin bei Klotz

Karla Chadimová

as Studentin Alena

Eva Mattes

as krankes Mädchen

Rosl Mayr

as Haushälterin bei Höllriegel

Wilhelm Meyer

Edith Schultze-Westrum

Norbert Gastell

as Polizist

Hans Stadtmüller

as Stallknecht