Characters played by Guy Madison
Capt. Jack Murphy
Characters played by Peter Lee Lawrence
Lt. Strobel
Characters played by Erika Blanc
Denise
Characters played by Philippe Hersent
Prof. Aubernet
Characters played by Massimo Carocci
Capt. Ryan
Characters played by George F. Salvage
(as G.F. Savage)
Characters played by Pierre Richard
Sgt. Doss
Characters played by Antonio Monselesan
Oberleutnant
Characters played by Max Turilli
Feldwebel Siedler
Characters played by Giuseppe Castellano
Foster
Characters played by Renato Pinciroli
Denise's Father (as R. Pinciroli)
Characters played by R.O. Mantovani
[no data]
Characters played by Luciano Catenacci
Navy Sailor
Characters played by Paolo Magalotti
Navy Sailor
Characters played by Guido Di Salvo
[no data]