Kathryn Janssen is a 94 years old actress ( 9 juillet 1923 - 23 avril 2018). Kathryn Janssen has appeared in 1 show and 3 movies. A performance to be found in the role of Restaurant Patron (uncredited) in the series Columbo. In the cinema, in the role of Party Guest (uncredited) in the feature film The April Fools.