A croupier is murdered in a Mexico City gambling casino and the Lone Wolf is suspected. Sharon Montgomery, wife of diamond merchant Charles Montgomery, becomes involved in a jewel heist, in which again the Lone Wolf is a suspect.
Director: D. Ross Lederman.
Writers: Louis Joseph Vance, Phil Magee, Maurice Tombragel, Martin Goldsmith.
Stars: Gerald Mohr, Eric Blore, Sheila Ryan, Jacqueline deWit, Bernard Nedell, John Gallaudet, Winifred Harris, Nestor Paiva, Peter Brocco, Alan Edwards, Fred Godoy, Theodore Gottlieb, Leonardo Scavino.
Composers: Mischa Bakaleinikoff (uncredited), Irving Gertz (uncredited).
Cinematography: Allen G. Siegler (DP).
The good thing about the B film units of the studio system was that their produce were slick, fast paced and cheap to make, Short, mass produced and easy to market, perfect to fit into a double-bill. with familiar characters and genre formula that audience could easily identify. There were numerous players who played Michael Lanyard; Warren William was the first and probably the best. Gerald Mohr was by no means the worst but later entries in the series lacked a lot of action and a lot of the clever repartee and word play. At least Eric Blore is still playing Jamison, the Lone Wolf’s long suffering valet,