Trip to Bangkok, Coffin Included

The colonel Daniel Blimp, of the secret British service, travels to Bangkok to investigate the murder of the Brittish Ambassador happened during a holiday in his residence. Blimp receives the help of Keats, agent of the secret service. Both men discover that the man who shot against the Ambassador is blind, and it takes the black skin as a result of a strange phenomenon of mutation.

• Jesús FrancoDirector
• Jesús FrancoScreenplay

• Howard VernonCoronel Daniel J. Blimp
• Helena GarretMarion Wentworth
• José LlamasBill Sanders
• Trino TrivesTao
• Ana EspejoMadame Rita
• Christian BorckJonathan Keats
• Rafael CorésWelbeck
• Juan SolerByron
• José Miguel GarcíaAmoc mutant
• Óscar San JuanCast
• Jesús FrancoRose Hotel's recepcionist (uncredited)
• Juana de la MorenaDra. Carlson (uncredited)