Alan Ladd as Horatius

Franca Bettoia as Marcia

Franco Fabrizi as Curazio

Robert Keith as Tullio King of Rome

Jacqueline Derval as Horatia

Luciano Marin as Eli

Andrea Aureli as King of Alba

Mino Doro as Caius

Osvaldo Ruggieri as Warrior of Alba

Piero Palermini as Nevio

Violette Marceau as Healing Woman

Umberto Raho as Grand Priest

Alfredo Varelli as Sabinus

Evi Marandi as Slave

Alana Ladd as Scilla

Nando Angelini as Official

Franca Pasut as Slave

Jacques Sernas as Marcus

Omero Capanna as Soldier

William Conroy as Roman Soldier

Carolyn De Fonseca as Healing Woman (voice)

Andrej Gardenin as Fencer