 After gaining the Gaumont Company's trust, Perret began directing his own screenplays starting around 1911.From 1917 on, he adapted many screenplays from novels such as "Folie d'Amour" (1917), "La treizième chaise" (1919) and "Koenigsmark" (1923).He also collaborated with other filmmakers on some scripts such as "Koenigsmark", which was co-written with René Champigny and "Madame Sans-Gêne" with the American Forrest Halsey.