for Johnny Rivers. In June 1967, Adler helped to produce the Monterey International Pop Festival, as well as the film version, Monterey Pop, which he co-produced with John Phillips from The Mamas & the Papas. Film After Monterey Pop, Adler and Phillips teamed up again to produce the 1970 Robert Altman film, Brewster McCloud. In 1975, Adler served as executive producer of the cult classic The Rocky Horror Picture Show. After seeing The Rocky Horror Show at a theater in London, Adler bought the American rights to the show, presented it live in Los Angeles, and executive-produced the film version (adding "Picture" to the title). The movie went on to become the longest-running theatrical film in history. In 1978, Adler directed the movie Up in Smoke, starring Cheech & Chong. The movie remains a cult hit, and in 2000 Adler recorded a commentary track along with Cheech Marin for the DVD release. His 1981 film, Ladies and Gentlemen, The Fabulous Stains, did not make a large impact upon release but has enjoyed a long life on cable TV broadcasts. Also in 1981, Adler executive produced the follow-up to The Rocky Horror Picture Show, Shock Treatment. Personal life Adler was born to a Jewish family, the son of Manny and Josephine (Alpert) Adler in Chicago, Illinois in 1933 and raised in the Boyle Heights section of Los Angeles, California. Adler was married to actress and singer Shelley Fabares in 1964 and produced several of her songs. They separated in 1966 but were not formally divorced until 1980. In 1973 he fathered his first son, Nic Adler, with actress Britt Ekland. In 1978 he fathered another son, Cisco Adler, with then-girlfriend Phyllis Somer. In the 1980s his son Sonny was born from a brief relationship. Today, Adler is married to former actress Page Hannah, three decades his junior. The couple has four sons: Manny, Ike, Pablo, and Oscar. Adler could often be seen sitting courtside next to Jack Nicholson at Los Angeles Lakers home games, as reported in 2020. Adler owns The Roxy Theatre with his son Nic, who operates the historic music venue on the Sunset Strip in West Hollywood, California. Peter Fonda based his character Terry Valentine in The Limey on Adler. In 1976, Adler and his administrative assistant were kidnapped from their Malibu home. One of the perpetrators pulled a gun on Adler's administrative assistant, and gained entry. The