Tab Hunter as Richard

Howard Ross as Hinds

Erika Wallner as Erika

Claudio Trionfi as Johnny

Rosanna Yanni as Christina

Óscar Pellicer as Sides

Ángel del Pozo as Rod

Gaspar 'Indio' González as Doyle

Daniele Vargas as Major Larson

Alfonso de la Vega as SS Officer