Servicio en la mar

Enrique Guitart Matas

Comandante

Dina Sten

Sara

Antonio Casal

Jaime

Tony Leblanc

Santiago 'El Andaluz'

Julio Riscal

Santiago 'El Gallego'

Fernando Sancho

Don Tofol

Carolina Jiménez

Ana María

Julia Lajos

Tía Isabel

Rafael Calvo

Padre de Sara

Mercedes Muñoz Sampedro

Madre de Sara

José Isbert

Don José

Rafael Bardem

Don León

Francisco Pierrá

Almirante

Gérard Tichy

Pasajero (uncredited)

Jacinto San Emeterio

Camarero (uncredited)

José Luis Brugada

Luis Hurtado

Dante Tulián

Segundo comandante

Félix Briones

Fogonero (uncredited)

Luis Induni

Oficial mercante

Fernando Heiko Vassel

Capitán mercante

José Uribarri

Criado (uncredited)

Antonio Criado

Alférez de submarino

Alfonso Santacana

Timonel (uncredited)

Ángel Córdoba

Cabo de radio

Quico Juanes

Niño

Nati Mistral

Cancionista

Marina Torres

Luis Suárez de Lezo

Director

Alfredo Hurtado 'Pitusín'

Assistant Director

Luis Suárez de Lezo

Writer

Manuel Tamayo Castro

Story

Rafael de Aguilar

Story

Alfredo Echegaray

Writer

Narciso Suárez de Lezo

Production Manager

Pablo Tallaví

Production Manager

Felipe Gerely

Executive Producer

Alfredo Cores

Second Assistant Camera

Willy Goldberger

Director of Photography

Emilio Lehmberg

Music