Film-music exec and attorney Robert Fitzpatrick died Oct. 23 in Los Angeles of lung disease. He was 73.

Fitzpatrick, prexy of Allied Artists Intl., repped such acts as the Beatles, the Who, the Rolling Stones and Peggy Lee in a five-decade showbiz career.

He joined manager-producer Robert Stigwood in the management firm Stigwood Fitzpatrick Inc. and (as president and chief operating officer) Casserole Music Corp. The pair co-managed such acts as the Bee Gees, Cream, Mitch Ryder & the Detroit Wheels, Taj Mahal, the Buckinghams and Dick Dale & the Del-Tones.

Fitzpatrick also managed thesps Don Johnson and Jay North.

He began his showbiz career as a model and performed Off Broadway. After graduating from Princeton, Fitzpatrick served in the Marine Corps, attaining the rank of captain during the Vietnam War.

He resumed his acting career in Hollywood, where he worked on such 20th Century Fox pics as “Dear Brigitte” and “Goodbye Charlie.”

After earning a law degree at UCLA in 1965, turned to repping acts including the Beatles.

After a lung transplant in 1999, Fitzpatrick joined Allied Artists as president of its music division in 2000; he was later named president of parent company Allied Artists Intl.

At the time of his death, Fitzpatrick was serving as executive producer and music supervisor on the Allied Artists production “A Magical Mystery Tour,” inspired by the music of the Beatles.

He is survived by wife Denise, a daughter, brother and a sister.