

Career Early career Īstin's first acting role was in a 1981 television movie titled Please Don't Hit Me, Mom, in which he played an 8-year-old child with an abusive mother (portrayed by his real-life mother Patty Duke). An alumnus of Los Angeles Valley College, Astin served on the school's board of directors of the Patrons Association and the Arts Council. in History and English (American literature and culture). He graduated cum laude from UCLA with a B.A. Īstin attended the Crossroads High School for the Arts and undertook master classes at the Stella Adler Conservatory in Los Angeles. He attended Catholic school and later became a Protestant. my four dads." Īstin is of German and Irish ancestry through his mother and Austrian-Jewish and Polish-Jewish through his biological father. Astin is also close to his stepfather, Mike Pearce, saying, "I can call any of them on the phone any time I want to. Science tells me that Mike Tell is." Astin considers John his father, as John was the one who raised him. Astin has maintained close relationships with all three, saying, "Desi Arnaz Jr. Sean set out to find the truth about his biological father, and underwent genetic tests which showed Tell was his biological father. However, in his mid-20s, Astin met a relative of Michael Tell who suggested they were related. When Astin was 14, Duke told him that Arnaz was his father, and the two developed a relationship. Duke married Mike Pearce in 1986, and they adopted a son, Kevin, in 1989. In 1973, Duke gave birth to Astin's brother Mackenzie Astin, who also became an actor. When the wedding guests were invited to speak, 18-month-old Sean looked at John and cried, "Daddy!", to which the Episcopal priest performing the ceremony remarked, "Well, that about does it!" Astin subsequently adopted Sean.

On August 5, 1972, Duke married actor John Astin, having been in a relationship with him for two years. The marriage only lasted 13 days in 1970, and ended before Astin was born. When Duke became pregnant, she was unsure whether Arnaz or Tell was the father, so Tell offered to marry her as a way out of the scandal. During that time, Duke also had a personal relationship with Michael Tell, a writer, music promoter, and publisher of the newspaper The Las Vegas Israelite. However, at the time, it was erroneously reported that entertainer Desi Arnaz Jr. Astin was born on February 25, 1971, in Santa Monica, California, the son of actress Patty Duke (1946–2016) and Michael Tell.
