Dean Martin man, Martin spent a lot of time with his family; as second wife Jeanne put it, prior to the couple's divorce, "He was home every night for dinner." As Martin's solo career grew, he and Frank Sinatra became friends. In the late 1950s and early 1960s, Martin and Sinatra, along with friends Joey Bishop, Peter Lawford, and Sammy Davis, Jr. formed the Rat Pack, so-called after an earlier group of social friends, the Holmby Hills Rat Pack centered on Humphrey Bogart and Lauren Bacall, of which Sinatra had been a member (The Martin-Sinatra-Davis-Lawford-Bishop group referred to themselves as "The Summit"
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