Michel PiccoliMichel Piccoli was 48 in The Infernal Trio as 'Georges Sarret'.
Romy SchneiderRomy Schneider was 35 in The Infernal Trio as 'Philomena Schmidt'.
Mascha GonskaMascha Gonska was 21 in The Infernal Trio as 'Catherine Schmidt'.
Philippe BrizardPhilippe Brizard was 40 in The Infernal Trio as 'Chambon'.
Jean RigauxJean Rigaux was 65 in The Infernal Trio as 'Villette'.
Monica FiorentiniMonica Fiorentini was >> in The Infernal Trio as 'Magali'.
Hubert DeschampsHubert Deschamps was 50 in The Infernal Trio as 'Detreuil'.
Francis ClaudeFrancis Claude was 68 in The Infernal Trio as 'Doktor'.
Luigi ZerbinatiLuigi Zerbinati was 64 in The Infernal Trio 
Martine FerrièreMartine Ferrière was 47 in The Infernal Trio 
Francis GirodFrancis Girod was 29 in The Infernal Trio as 'Director, Screenplay'Andréas WindingAndréas Winding was 46 in The Infernal Trio as 'Director of Photography'
Jacques RouffioJacques Rouffio was 45 in The Infernal Trio as 'Screenplay'Wolfdieter von SteinWolfdieter von Stein was >> in The Infernal Trio as 'Producer'
Jacques DorfmannJacques Dorfmann was 28 in The Infernal Trio as 'Producer'
Raymond DanonRaymond Danon was 44 in The Infernal Trio as 'Producer'Claude BarroisClaude Barrois was 33 in The Infernal Trio as 'Editor'
Ennio MorriconeEnnio Morricone was 45 in The Infernal Trio as 'Original Music Composer'
Philippe TurlurePhilippe Turlure was >> in The Infernal Trio as 'Set Decoration'Jacques FonterayJacques Fonteray was 56 in The Infernal Trio as 'Costume Design'Jean-Jacques CaziotJean-Jacques Caziot was 37 in The Infernal Trio as 'Production Design'Alain CoiffierAlain Coiffier was >> in The Infernal Trio as 'Production Manager'
Monique Tarbès
Andréa Ferréol
Jean-Pierre Honoré
Renata Zamengo