Rachel True has been working for most of the 1990s. She broke into the business with a pair of guest roles on the NBC sitcom The Cosby Show In 1993, Rachel moved to L.A.; she then appeared in the rap parody CB4 with Chris Rock. She also landed another pair of guest spots on the HBO sitcom Dream On. She made guest appearances on several other television series including Beverly Hills, 90210 and Boston Common. Television movies followed with including Moment of Truth: Stalking Back and A Walton Wedding. In 1994 she was seen alongside Alyssa Milano in the erotic thriller, The Nosferatu Diaries: Embrace of the Vampire.

It was in 1996 that the bi-racial actress started getting noticed by the press, after appearing as a teenage witch in the cult-hit The Craft. Following that came the indie flick Nowhere, and then she played Dave Chappelle's romantic interest in Half Baked. During 1997, she also had a role on the ABC sitcom The Drew Carey Show. In 1999, she was seen in another ABC sitcom, Once and Again. Recent projects include The Big Split and Groove.
Her role in The Craft as Rochelle was originally intended for a white actress. Left Handed Her role in The Nosferatu Diaries: Embrace of the Vampire, was meant for a white actress. Met Neve Campbell on the set of The Craft; the two liked each other so well they've become best friends and still talk frequently. Is of African American and Caucasian ancestry. Was nearing her 30th birthday when playing a teenager in The Craft.