The Notorious Lone Wolf (1946) is the eleventh Lone Wolf film produced by Columbia Pictures. The picture features Gerald Mohr in his inaugural performance as the protagonist detective Lone Wolf, Janis Carter, and Ian Wolfe as Adam Wainwright, the film's antagonist. The film was directed by D. Ross Lederman and written by Martin Berkeley, Edward Dein, and William J. Bowers.
The film centres on former jewel looter Michael Lanyard, also known by his alias "Lone Wolf", aiming to clear his name after he is accused of murdering a bar dancer. At the same time, he races to retrieve a stolen piece of jewellery. Filming took place in October and November 1945. The Notorious Lone Wolf was theatrically released in the United States in February 1946.
Having left the Army, reformed jewel thief and current detective Michael Lanyard (Gerald Mohr), or the Lone Wolf, returns to New York to find his lover Carla Winter (Janis Carter). On the way, he is tipped off by Inspector Crane (William Davidson) of the looting of the Shalimar, a diamond co-owned by the Prince of Rapur (Olaf Hytten) and Lal Bara (John Abbott). It is revealed that the jewel thief is Stonely (Don Beddoe), owner of a bar.