The best Henry O'Neill’s adventure movies

When the great potato famine hits Ireland, the diaspora begins as thousands emigrate. Among those leaving the Emerald Isle is Katie O'Neill and her husband, who decide that the promised land is South Africa and make their way there. Once there, they discover the hardships that are the reality of the homesteader experience.

Two bumblers, failures as businessmen and air raid wardens, stumble across a nest of Nazi saboteurs bent on blowing up the local magnesium plant.

After robbing a sea captain in New Orleans, a beautiful saloon girl flees and assumes a dead woman's identity.

In Africa early in World War II, a British rubber plantation executive reminisces about his arrival in the Congo in 1910. He tells the story of a love-hate triangle involving Harry Witzel, an in-country station superintendent who'd seen it all, Langford, a new manager sent from England for a four-year stint, and Tondelayo, a siren of great beauty who desires silk and baubles. Witzel is gruff and seasoned, certain that Langford won't be able to cut it. Langford responds with determination and anger, attracted to Tondelayo because of her beauty, her wiles, and to get at Witzel. Manipulation, jealousy, revenge, and responsibility play out as alliances within the triangle shift.

A young couple's accident could make them rich, if they can evade a Nazi spy ring.

During World War II, Chief Aviation Pilot Ned Trumpet is in charge of an airship at Lakehurst, New Jersey naval base. Trumpet orders an unauthorized and premature attack on a German submarine but the bomb misses and the submarine fires back, hitting the airship. Trumpet takes over the controls and sinks the submarine, The pilot faces a court-martial for disobeying orders but the older man takes the blame for his actions. Weaver transfers to the Ferry Command, and while on assignment in Burma, his aircraft crashes in Japanese territory. Trumpet rushes to the scene with a rescue team. Both are successfully brought out and are decorated for their heroism. Afterward, Weaver indicates that he will be returning to the lighter-than-air service in Lakehurst, to reunite with his "father".

Bob Halsey is a first-rate pilot who's in love with stewardess Judy Wagner. He's ordered to deliver a secret formula to Washington, D.C., but a spy hears about the assignment and sabotages it by murdering Bob's fellow flyers and making off with the liquid. While the government conducts a vast search for the formula, the spies entangle Judy in their web of deceit, causing Bob to set off on his own in an effort to save his sweetheart and retrieve the missing mixture.