If Death Ever Slept was adapted for a series of Nero Wolfe films produced by the Italian television network RAI.
The series of black-and-white telemovies stars Tino Buazzelli (Nero Wolfe), Paolo Ferrari (Archie Goodwin), Pupo De Luca (Fritz Brenner), Renzo Palmer (Inspector Cramer), and Mario Righetti (Orrie Cather).