cast
- Marcello Mastroianni
- Mr. Cesareo Grimaldi
- Julie Andrews
- Pamela Piquet
- Jean-Pierre Castaldi
- Marcel
- Herve Hiolle
- Hospital Doctor
- Jean-Jacques Dulon
- Dr. Noiret
- Francoise Michaud
- Madeleine
- Michele Amiel
- 2nd Concierge
- Yvette Petit
- 1st Concierge
- Michele Buczynski
- Photo Shop
- Isidro Arruti
- "Hotel Patricular"
- Ronald Mills
- Maitre'd
- Jean-Michel Cannone
- Dr. Picquet
- Maria Machado
- Miss Knudson
- Catherine Jarrett
- Marguerite Gramaldi
- Denise Grey
- Madame Legris
crew
- Gene Saks
- Director
- Arturo LaPegna
- Producer
- Francois Billetdoux
- Play Author
- Ronald Harwood
- Screenwriter
- Tchin Tchin
- Play Author
- Franco di Giacomo
- Cinematographer
- Natalie Massara
- Musical Direction/Supervision
- Pino Donaggio
- Composer (Music Score)
- Richard Nord
- Editor
- Jean-Michel Hugon
- Art Director
