"While on holiday in Rhodes, Athenian war hero Darios becomes involved in two different plots to overthrow the tyrannical king, one from Rhodian patriots and the other from sinister Phoenician agents."
Rory Calhoun
as Darios
Lea Massari
as Diala
Georges Marchal
as Peliocles
Conrado San Martín
as Thar
Ángel Aranda
as Koros, Peliocles' brother
Mabel Karr
as Mirte, Peliocles' sister
Mimmo Palmara
as Ares
Roberto Camardiel
as Serse, King of Rhodes
Alfio Caltabiano
as Creonte
George Rigaud
as Lisippo, Dario's uncle
Yann Larvor
as Mahor
Carlo Tamberlani
as Xenon
Félix Fernández
as Carete, Diala's father
Ignazio Dolce
as (uncredited)
Antonio Casas
as Phoenician Ambassador
Fernando Calzado
as Sirione
Arturo Cabré
Álvaro de Luna
Ángel Menéndez
as Eteocle (uncredited)
Nello Pazzafini
as Man Ringing Gong (uncredited)
Gustavo Re
as Mercante (uncredited)
José María Vilches
as Eros (uncredited)
Sergio Leone
Director
Angelo Francesco Lavagnino
Original Music Composer
Angelo Malantrucco
Makeup Artist
Ramiro Gómez
Production Design
Vittorio Rossi
Costume Design
Antonio L. Ballesteros
Director of Photography
Michele Scaglione
Executive Producer
Eraldo Da Roma
Editor
Jorge Grau
Assistant Director
Cesare Seccia
Production Manager
Luciano Chitarrini
Story
Mario Amari
Sound
Ageo Savioli
Screenplay
Jesús Mateos
Props
Francisco Rodríguez Asensio
Construction Coordinator
Ennio De Concini
Franco Frazzi
Assistant Camera
Josette Trachsler
Co-Producer
Eduardo de la Fuente
Giuseppe Ranieri
Assistant Art Director
Eduardo Noé
Camera Operator
Antonio Cortés
Assistant Costume Designer
Vittorio Galiano
Special Effects
Luis María Lasala
Second Assistant Director
Roberto Bodegas
Assistant Director Trainee
Luciano Martino
Carlos Nin
Giuseppe Turco
Emilio Foriscot
Second Unit Director of Photography
Music Director
Mario Maggi
Producer
Yves Boisset
Carlo Gualtieri
Mahnahén Velasco
Gianni Maddaleni
Tonino Cacciottolo
Sound Effects
Irma Tonnini
Key Costumer
Giuseppe Maggi
María Luisa Pino
Assistant Editor
Carla Leone
Choreographer
Stunts
Mariano Ruiz Capillas
Robert de Nesle
Maria Pia Mancini
Costumer
Marisa Mengoli
José Castanyer
Script Supervisor
Erasmo Bacciucchi
Aldo Colanzi
Key Grip
Isabel Ruiz Capillas