Mon avis
Distribution
- Serge ReggianiJoseph "Rouletabille"
- Hélène PerdrièreMathilde Stangerson
- Lucien NatRobert Darzac
- Michel PiccoliLebel
- Gaston ModotMathieu
- Marcel HerrandCriminal Bellmayer alias Larsan
- Loleh BellonMaid
- Louis BugetteNurse from the hospital
- Yvette EtiévantGirl at the party at Rouletabille's
- Jean MercureInvestigating judge
- Catherine Monot
- Pierre LatourBrigadier
