 There are two original versions of this film, one in Flemish (with  Naessens, Jet (qv) as Janine) and one in French (with  Poncin, Simone (qv) as Janine). Robert Lussacs real name was  Robert Timmermans but in the Flemish version he played the role of  Robert Bourdin under the pseudonym he always used in Flemish  movies "Bob Storm".