William Powell jokes that there is nothing left to shoot in Africa except the Martin Johnson's. Johnson and his wife wrote books and made films about many places through which they traveled in Africa.
Andy says that Bill is a great one for the ladies, from Judy O'Grady to the colonel's lady. This is a reference to a famous line in a poem by Kipling: "The colonel's lady and Judy O'Grady are sisters under their skins." It is a proverbial way of alluding to women of every class.
The pre-release title of the film was Sue of Fury. According to modern sources, the picture was re-titled High Peril in the late 1950s when sold to television to avoid confusion with the British film called The Key (1958), starring William Holden and Sophia Loren.
Captain Tennant is wearing the cap badge of the East Yorkshire Regiment.