Rat Pack relations), Swifty Lazar (recording secretary and treasurer), Nathaniel Benchley (historian), David Niven, Katharine Hepburn, Spencer Tracy, George Cukor, Cary Grant, Rex Harrison, and Jimmy Van Heusen. In his autobiography "The Moon's a Balloon", David Niven confirms that the Rat Pack originally included him but neither Sammy Davis, Jr. nor Dean Martin. The 1960s version of the group included Frank Sinatra, Dean Martin, Sammy Davis Jr., Peter Lawford, and Joey Bishop. Marilyn Monroe, Angie Dickinson, Juliet Prowse, Buddy Greco, and Shirley MacLaine were often referred to as the "Rat Pack Mascots". The post-Bogart version of the group (Bogart died in 1957)
Frank Sinatra Jr. a reputation for rigorous rehearsals and demanding standards for his musicians. Sinatra appeared in the Sammy Davis Jr. drama "A Man Called Adam" in 1966. Sinatra also played a deputy district attorney, named Gino Bardi, on the television crime drama "Adam-12", in the episode titled "Clinic on 18th Street" (originally broadcast on March 13, 1974). His other acting credits included roles in "Aru heishi no kake" (1970) with Dale Robertson, "Code Name Zebra" (1987) opposite James Mitchum, and "Hollywood Homicide" (2003) with Harrison Ford and Josh Hartnett. The National Archives now houses a 15-minute song and monologue composed by Sinatra