Kenneth McMillan was born and raised in New York City. Prior to developing an interest in acting, he was a manager at Gimbels Department Store in Manhattan. He didn't develop the "acting bug" until age 30, whereupon he attended the LaGuardia High School for Performing Arts and Music and Art. He also studied under Uta Hagen and Irene Dailey.
Mr. McMillan made his film debut at age 41 in the Sidney Lumet's police drama "Serpico," in which he had a small role. His most notable parts included the borough commander in the original filming of "The Taking of Pelham One-Two-Three," as well as a cowardly small town sheriff in Tobe Hooper's 1979 TV mini-series "Salem's Lot," to name but a few roles. Kenneth McMillan also played comedic roles. On the sitcom "Rhoda," he was Rhoda's (Valerie Harper) boss, Jack Doyle. He also had guest parts on such TV shows as "Dark Shadows," "Ryan's Hope," "Kojak," "Starsky & Hutch," "The Rockford Files," "Moonlighting" and "Murder, She Wrote." Aside from film and television work, he performed on stage at the New York Shakespeare Festival, also appearing in the original Broadway productions of "Streamers" and "American Buffalo." Mr. McMillan received an Obie for his performance in the Off-Broadway play "Weekends and Other People."
His last TV project was "Our Family Honor," a drama about a family involved in law enforcement and their criminal counterparts, a Mob family. Kenneth McMillan died of liver disease at age 56, survived by his widow and one daughter.