One Day at a Time - "Et tu, Ann" - 8:00 pm Tuesday, July 28 on WPIX Antenna TV

Did You Know..

Mackenzie Phillips (Actor) .. Julie Cooper Horvath

Born: November 10, 1959
Birthplace: Alexandria, Virginia, United States

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Imagecredits: David Livingston/Getty Images Entertainment/Getty Images

Trivia: MacKenzie Phillips is the daughter of "The Mamas & the Papas" lead singer John Phillips, the stepdaughter of actress Michelle Phillips,and the half-sister of another film performer, Chynna Phillips. MacKenzie was 13 years old when she essayed her first film role as underaged "cruiser" Carol in American Graffiti (1973). She then essayed a series of juvenile-delinquent TV guest spots, which ended in 1975 upon her being cast as Julie Cooper on the popular sitcom One Day at a Time. During the run of this series, MacKenzie accepted a few outside assignments, notably a cameo as Lillian Gish (whom she closely resembled) in the made-for-TV The Silent Lovers (1980). Drug problems and run-ins with the law compromised MacKenzie's ability to function on One Day at a Time, culminating in her being fired during the 1979-80 season. After going "cold turkey," MacKenzie Phillips briefly returned to the series in 1981, but her previous self-destructive lifestyle had taken its toll on her physical and emotional makeup; she left One Day for good in 1983, and has worked but little since.

Valerie Bertinelli (Actor) .. Barbara Cooper Royer

Born: April 23, 1960
Birthplace: Wilmington, Delaware, United States

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Trivia: During her nine-year (1975-1984) tenure as Barbara Cooper on TV's One Day at a Time, Valerie Bertinelli grew from a chubby, awkward 15-year-old with only a smattering of bit-part credits into a polished actress and bona fide sex symbol. When Bertinelli "married" her One Day co-star Boyd Gaines in a 1982 episode, the ratings went through the roof, while many a male viewer's heart sank. One year earlier, Bertinelli had been a bride for real; her marriage to rock star Eddie Van Halen was kept under wraps by the series' producers for fear of damaging the actress' "Little Miss Perfect" image. Bertinelli's son by Van Halen was named Wolfgang, as in Mozart. While still a One Day regular, Bertinelli made the first of many TV-movie starring appearances in 1979's Young Love, First Love; later small-screen projects -- most of them packaged by Bertinelli's own production company, Bertinelli Inc. -- included The Princess and the Cabbie (1981), I Was a Mail Order Bride (1982), Shattered Vows (1984), The Seduction of Gina (1984), Silent Witness (1985), and Pancho Barnes (1988). Conversely, her theatrical-feature credits are limited, but include C.H.O.M.P.S. (1979) and Ordinary Heroes (1985). In the years since One Day at a Time, Valerie Bertinelli has starred in the short-lived TV series, Sydney (1990) and Café Americain (1993).At the beginning of the 2000s, she landed a recurring role on Touched By an Angel. In 2005 she filed for divorce from Eddie Van Halen, and a few years later she would be the star of yet another series, the TV Land sitcom Hot In Cleveland opposite Wendy Malick, Jane Leeves, and Betty White.

Michael Lembeck (Actor) .. Max Horvath

Born: June 25, 1948
Birthplace: Brooklyn, New York

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Imagecredits: Kevin Winter/Getty Images Entertainment/Getty Images

Trivia: The son of comedian Harvey Lembeck, Michael Lembeck started his career following his dad's footsteps as a comic character actor. The younger Lembeck made his TV movie debut in Gidget Grows Up. His subsequent small-screen gigs included Kaptain Kool in the Saturday morning extravaganza The Krofft Supershow (1977) and Max Horvath, the flight-steward husband of Julie Cooper (MacKenzie Phillips) in One Day at a Time (1979-84). He also played schoolteacher Peter Newman in the 1985 sitcom Foley Square, and, on a less comical note, was seen as Abbie Hoffman in the 1987 TV-movie special Conspiracy: The Trial of the Chicago 7. In the past decade, Michael Lembeck has concentrated on directing such weekly series as Hope and Gloria, Mad About You and Everybody Loves Raymond; in 1996, he won an Emmy for his direction of the hit series Friends.

One Day at a Time: Et tu, Ann

8:00 pm - 8:30 pm, Tuesday, July 28 on WPIX Antenna TV (11.2)

Et tu, Ann

Season 5, Episode 8