ThrillerDramaCrimeScience Fiction

While in London trying to nab several fugitives who stole a million dollars from a U.S. Treasury vault, American federal agent Dennison (Dennis O'Keefe) assists Scotland Yard Insp. McClaren (Philip Friend) in his search for a missing atomic scientist (Paul Hardtmuth). The detective duo discovers that the key to solving both cases may rest with the scientist's daughter (Margaret Sheridan) and her fascinating diamond.

"3000 Miles Of Desperate Man-Hunt!"

Credits

Dennis O'KeefeJoe Dennison

Margaret SheridanMarline Miller

Philip FriendInsp. McClaren

Alan WheatleyThompson Blake

Francis de WolffYeo