Anna Torv, FringeThis unknown Australian beauty snagged the lead in the fall's most buzzed show, J.J. Abrams' Fringe, alongside former Dawson Creek-er Joshua Jackson.

Tristan Wilds, 90210Of 90210's boatload of fresh faces, only one came from HBO's gritty drama The Wire. He's the "Brandon" of the new class.

Shenae Grimes, 90210The former Degrassi star plays Annie Mills (the new "Brenda") on the new 90210 and will go toe to toe with the original (Shannen Doherty).

Justin Breuning, Knight Rider This All My Children hottie crosses over to primetime to play Mike Tracer, a former military stud who heads up an elite, secret investigative team lead by a talking car.

Sydney Tamiia Poitier, Knight RiderYes, she's Sidney Poitier's daughter, but this accomplished actress (she was mesmerizing in Quentin Tarantino's Grindhouse) joins KITT's team this fall as a special operative

Brea Grant, HeroesGrant, a Friday Night Lights vet, plays a high-speed nemesis to Hiro this fall

Jason O'Mara, Life on MarsYou may recognize him from when he played a creepy pyro on The Closer. But Irish actor O'Mara plays an NYPD detective who gets hit by a car and mysteriously transported back to 1973 on ABC's remake of the hit British series.

Lauren Lee Smith, CSI: Crime Scene InvestigationThis Canadian actress was tapped to play Riley Adams, a feisty non-conformist cop whose dad is a shrink