Cafe Trocadero was an upscale nightclub that opened on the Sunset Strip in 1934 and immediately became the place where Hollywood stars went to be seen. Photographs of the stars out on the town at the Troc one night might appear in The Hollywood Reporter the next day, as both Cafe Trocadero and THR were owned by William R. Wilkerson.

Ciro's was a nightclub on Sunset Boulevard in West Hollywood, California owned by William Wilkerson. Opened in 1940, Ciro's became a popular nightspot for celebrities. The nightclub closed in 1960 and was reopened as a rock club in 1965. After a few name changes, it eventually became The Comedy Store in 1972.