- Carica eroica (uncredited) .... Russian village priest
- Stazione termini (uncredited) .... Member of delegation
- Un americano a Roma (uncredited) .... Artistic director
- Kean: Genio e sregolatezza (uncredited) .... Tavern customer
- Montecarlo (uncredited) .... Customer seated in bar
- Le notti di Cabiria (uncredited) .... Priest
- Erode il Grande (credited) .... role?
- L'amico del giaguaro (uncredited) .... Monk
- L'oro di Roma (credited) .... Member of Jewish council
There are further titles where Mollier is reported to appear by various online resources.
Ho scelto l'amore (1953)
Il ritorno di Don Camillo (1953) - I have looked twice and couldn't find him
Serenata d'amore (1955) - maybe credited, as Nadia's uncle
Ladro lui, ladra lei (1957) - I looked and didn't see him in this one