From the 1940s to the 1990s, the hotel operated a nightclub known as the Imperial Room. It attracted top musicians and performers to the hotel from the 1940s to the 1990s, including Anne Murray, Buddy Rich, Count Basie, Doug Henning, Duke Ellington, Eartha Kitt, Ella Fitzgerald, Louis Armstrong, Marlene Dietrich, Pearl Bailey, Peggy Lee, Rich Little, Tina Turner, Tony Bennett, and Woody Herman. The Imperial Room was also where Jim Carrey made his comedic stage debut. The nightclub was later converted to an event space.