What was the name of the nightclub owner in 'Casablanca'?

The nightclub owner in "Casablanca" is Victor Laszlo. However, it's important to note that the character most associated with owning the nightclub, Rick's Café Américain, is Rick Blaine, played by Humphrey Bogart. Rick is a former American expatriate who runs the establishment and becomes embroiled in the political tensions of World War II.