- Country: West Germany
- Genres: Comedy
- Release: 1962-08-31
- Director: Wolfgang Schleif
- Writers: Franz Arnold , Ernst Bach , Gustav Kampendonk
- Language: German
- Stars: Heinz Erhardt , Corny Collins , Adrian Hoven , Grethe Weiser , Gunther Philipp , Carmela Künzel , Ruth Stephan , Hans Richter , Rudolf Vogel , Friedel Hensch
- Runtime: 98 min
- Awards: N/A
- AKA: Ach Egon! , Ah, Egon! (Hungary) , Oh Egon! , Ach Egon! , Egon - min tossede fætter (Denmark) , Ne fais pas le singe! (France, French Republic)
- Plot: The pediatrician Waldemar Weber is in despair: his adoptive son Egon from his first marriage has announced he will be visiting, of all things, on his first wedding anniversary, although Waldemar has always kept it a secret from hi...
- IMDB:tt0054600
Ach Egon! Cast · · · ALL
Wolfgang Schleif
Director
Heinz Erhardt
Egon Kummer
Corny Collins
Henny Weber
Adrian Hoven
Dr. Kurt Wehling
Grethe Weiser
Mathilde Nathusius
Gunther Philipp
Dr. Waldemar Weber
Ruth Stephan
Anna
Hans Richter
Behnke
Rudolf Vogel
Theodor Nathusius
Friedel Hensch
Sängerin