The best Percy Herbert’s thriller movies on YouTube

This true story follows the exploits of a top-secret British military mission to destroy Nazi radio ships in a neutral harbor during WWII. The daring plan is led by British Intelligence officers Col. Lewis Pugh (Gregory Peck) and Capt. Gavin Stewart (Roger Moore). Since the ships are in neutral territory the British Military command, while encouraging the scheme, must deny any knowledge of it if it fails. Pugh and Stewart enlist the aid of retired officer Col. Bill Grice (David Niven) and some of his former soldiers. On the pretext of being on a fishing expedition, these seemingly drunken old men in civilian clothing must board and destroy 3 Nazi ships, whose radio transmissions have resulted in Nazi submarines sinking allied ships. While Stewart arranges a diversion onshore, Pugh and Grice carry out the dangerous raid on and destruction of the Nazi ships.

A member of British Intelligence assumes a fictitious criminal identity and allows himself to be caught, imprisoned, and freed in order to infiltrate a spy organization and expose a traitor; only, someone finds him out and exposes him to the gang...

American professor John Holden arrives in London for a conference on parapsychology only to discover that the colleague he was supposed to meet was killed in a freak accident the day before. It turns out that the deceased had been investigating a cult lead by Dr. Julian Karswell. Though a skeptic, Holden is suspicious of the devil-worshiping Karswell. Following a trail of mysterious manuscripts, Holden enters a world that makes him question his faith in science.

A woman reports that her young daughter is missing, but there seems to be no evidence that she ever existed.

Escaping from China with a microfilm of the formula for the mysterious "Lotus X", Lord Southmere, a Queen's Messenger, is chased by a group of Chinese spies.

At a fashionable dinner party in Hong Kong a Royal Navy officer is coaxed into revealing details of a dream in which eight persons take off from Bangkok in a Dakota bound for Tokyo and crash in the Japanese mountains. Amongst those listening is Air Marshal Hardie who is due to fly to Tokyo the next day. Hardie initially dismisses the dream because he is scheduled to fly out in a Liberator, but as Hardie arrives at the airport he discovers that the Liberator has developed mechanical problems and has been replaced by a Dakota. When, just before the flight is due to depart, two soldiers board the plane making a complement of eight, Hardie fears that the dream may be coming true and he is destined to die.