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Ashley Tisdale picked up one of her first TV gigs in a 2000 episode of Beverly Hills, 90210. The young star appeared in the 10th season, playing Nicole Loomis, a student at the dance.
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Decades before she hit Bravo as a Real Housewife of Beverly Hills, Kyle Richards was guest-starring in a 1999 episode of Beverly Hills, 90210. The Down to Earth alum played a woman named Anna Murphy.
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Lucy Liu's very first acting credit came thanks to a 1991 episode of Beverly Hills, 90210. The future star played a student named Courtney who works at the Peach Pit in the show's second season.
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A few years before he became Friends' Chandler Bing, Matthew Perry appeared in one 1991 episode of Beverly Hills, 90210. The actor joined the first season as Roger Azarian, a popular high school student.
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Denise Richards landed one of her first TV credits as Robin McGill in a 1992 episode of Beverly Hills, 90210. Decades later, Richards appeared in the 90210 reboot, playing a character named Gwen Thompson.
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Eva Longoria landed her first on-screen acting credit thanks to Beverly Hills, 90210. She appeared in a 2000 episode, playing the unnamed "Flight Attendant #3."
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After popping up in a TV movie, Walton Goggins joined Beverly Hills, 90210 for one episode in 1992. He played Mike Muchin, an attendee at a party.
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Nearly a decade into his career, Seth Green appeared in a 1993 episode of Beverly Hills, 90210. He played Wayne, a geeky suitor.
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Early in his career, David Arquette popped up in a 1992 episode of Beverly Hills, 90210. He played Dennis 'Diesel' Stone, a musician.
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Vivica A. Fox
Vivica A. Fox hit the small screen in Beverly Hills, 90210 in 1991. The actress joined the second season as Sherice Ashe, a woman Brandon connects with.