Servicio en la mar

Comandante

Sara

Jaime

Santiago 'El Andaluz'

Santiago 'El Gallego'

Don Tofol

Ana María

Tía Isabel

Padre de Sara

Madre de Sara

Don José

Don León

Almirante

Pasajero (uncredited)

Camarero (uncredited)

Luis Hurtado

Segundo comandante

Fogonero (uncredited)

Oficial mercante

Capitán mercante

Criado (uncredited)

Alférez de submarino

Timonel (uncredited)

Cabo de radio