- Country: Austria
- Genres: N/A
- Release: 1949-12-01
- Director: Harald Röbbeling
- Writers: Harald Röbbeling
- Language: German
- Stars: Siegfried Breuer , Maria Andergast , Rudolf Prack , Arthur Popp , Klaramaria Skala , Leopold Rudolf , Paul Löwinger , Gretl Wawra , Melanie Horeschowsky
- Runtime: 91 min
- Awards: 1 win
- AKA: Zyankali (Austria) , Zyankali , Potassium Cyanide , Zyankali
- Plot: N/A
- IMDB:tt0041197
Zyankali Cast · · · ALL
Harald Röbbeling
Director
Siegfried Breuer
Dr. Frank Morava
Maria Andergast
Rena, seine Frau
Rudolf Prack
Polizeikommissar Tanner
Paul Löwinger
Klaramaria Skala
Beate