The Man on the Eiffel Tower (1949)
[[Franchot Tone and Charles Laughton sparring in Paris's Monseigneur restaurant.]] The Man on the Eiffel Tower is a 1949 American mystery film directed by Burgess Meredith and starring Charles Laughton, Franchot Tone, Meredith, and Robert Hutton. It is based on the 1931 novel La Tête d'un homme (A Man's Head) by Belgian writer Georges Simenon featuring his detective Jules Maigret. The film was co-produced by Tone and Allen as T&A Film Productions and released by RKO Radio Pictures.
More at Wikipedia.