A British mercenary arrives in pre-Revolution Cuba to help train the corrupt General Batista's army against Castro's guerrillas while he also romances a former lover now married to an unscrupulous plantation owner.

Sean Conneryas Maj. Robert Dapes
Brooke Adamsas Alexandra Lopez de Pulido
Jack Westonas Larry Gutman
Héctor Elizondoas Capt. Raphael Ramirez
Denholm Elliottas Donald Skinner
Martin Balsamas Gen. Bello
Chris Sarandonas Juan Pulido
Danny De La Pazas Julio Mederos
Lonette McKeeas Therese Mederos
Alejandro Reyas Faustino
David Watkin