Spaak's best known roles were in "Circle of Love" (1964), "The Man, the Woman and the Money" (1965), "The Incredible Army of Brancaleone" (1966), "Adultery Italian Style" (1966), "Hotel" (1967), "The Libertine" (1969), "Diary of a Telephone Operator" (1969), the drama "The Cat o' Nine Tails" (1971), "Story of a Cloistered Nun" (1973), "My Darling Slave" (1973), "Take a Hard Ride" (1975), "Sunday Lovers" (1980) and "Miele di donna" (1981).