cast
- Suzy Kendall
- Fraulein Doctor
- James Booth
- Meyer
- Roberto Bisacco
- Schell
- Kenneth More
- Col. Foreman
- Michael Elphick
- Tom
- Gerard Herter
- Capt. Munster
- Capucine
- Dr. Saforet
- Nigel Green
- Col. Mathesius
- James Mishler
- Gen. Von Ludendorff
- Kenneth Poitevin
- Lt. Ernest Wiechert
- Alexander Knox
- Gen. Peronne
- Kenneth Benda
- Belgian Ambassador
- Andreina Paul
- Dona Elena de Rivas
- Silvia Monti
- Margarita
- Virginia Bell
- Dona Julia
- Colin Tapley
- Gen. Metzler
- Mario Novelli
- Sgt. Otto Latemar
- Ralph Nossek
- Lean Agent
- John Atkinson
- Maj. Rops
- Walter Williams
- Gen. von Hindenburg
- Joan Geary
- Landlady
- Giancarlo Giannini
- Lt. Hans Ruppert
- Aca Stojkovic
- Chemist
- Malcolm Ingram
- Cartwright
- John Webb
- 1st Agent
- Mavid Popovic
- Chaplain
- Maggie McGrath
- Mrs. MacPherson
- Olivera Vuco
- Marchioness de Haro
- Janez Vrhovec
- Belgian Colonel
crew
- Alberto Lattuada
- Director, Screenwriter
- Dino de Laurentiis
- Producer
- Duilio Coletti
- Screenwriter
- H.A.L. Craig
- Screenwriter
- Stanley Mann
- Screenwriter
- Vittoriano Petrilli
- Screenwriter
- Luigi Kuveiller
- Cinematographer
- Bruno Nicolai
- Musical Direction/Supervision
- Ennio Morricone
- Composer (Music Score)
- Nino Baragli
- Editor
- Mario Chiari
- Production Designer
- Enzo Eusepi
- Set Designer
- Enzo Bulgarelli
- Costume Designer
- Maria de Matteis
- Costume Designer
- Dusan Piros
- Special Effects
- Marcello Aliprandi
- First Assistant Director
- Marija Kordic
- Makeup
- Otello Fava
- Makeup