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Prudence and Bélisaire Beresford have decided to take things easy. But when a rich Russian heiress disappears, Prudence can't resist and Bélisaire is forced onto the adventure. Their investigation will put them on the trail of a mysterious scientist who holds the secret to eternal youth...
as Prudence Beresford
as Bélisaire Beresford
as Doctor Nicolas Roscoff
as Doctor Matarazzi
as Marie Van Dinh
as Doctor Jünger
as The General
as The family doctor
as Marie-Christine
as Rudi
as Prudence's father
as Hector
as Miss Sakhaline
as The Countess
as Gisèle
as The receptionist
as A policeman
as The nude model
2012
2012
1983
2010
2009
1980
1954
2013
2019
1994
2017
2008
1997
1978
1972
2015
