Marissa Ribisi (“True Crime”) and Katherine Heigl (“Bride of Chucky”) have joined the cast of Michael Davis’ sexy teen comedy “100 Girls,” which began lensing in L.A. this week.

Pic, produced by Dream Entertainment and Michael/Finney Prods., follows a young man’s quest to track down the girl he fell in love with in an elevator during a power outage.

Ribisi last appeared in the indie “Some Girl,” which she co-wrote and starred opposite her twin brother, Giovanni Ribisi She currently stars on UPN’s “Grown Ups.” Ribisi is repped by UTA and manager Gay Ribisi. Heigl has also starred in “Under Siege II,” “Prince Valiant” and “My Father the Hero.” She currently stars on the WB’s “Roswell.” Heigl is repped by Writers & Artists and manager Shelly Browning.

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Josh Hopkins has signed on for the series “L.A. Confidential,” a co-production of Regency Television and WBTV that will focus on the activities of the LAPD, post WWII.

Hopkins, who has a recurring role as the love interest of Amanda Peet on WB’s “Jack and Jill,” has recently completed lensing WB’s “The Perfect Storm” for director Wolfgang Petersen. He is repped by the Gersh Agency and Handprint Entertainment.

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Bonnie Somerville (CBS’ “Shake, Rattle & Roll”) joins Steven Weber, Swoosie Kurtz, Gail O’Grady, Nina Siemasko, Stephen Tobolowsky and Gabriel Mann in “Sleep Easy, Hutch Rimes.” The pic centers on an insurance company owner who becomes embroiled in a murder plot. Michael O’Connell penned the script and Matthew Irmas is directing; Irmas also produces along with Zachary Matz. Pic begins lensing in LA this month.

Somerville is repped by David Brownstein at Writers & Artists and manager Mel McKeon.

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Stephanie Zimbalist has been cast as the female lead in the indie “Borderline Normal” alongside Corbin Bernsen and Michael Ironside for director Jeff Beesely. Ken Kaufman, Larry Mollin, and Steven Onda serve as producers.

Pic centers on a family as it experiences divorce. Corbin and Zimbalist star as parents of a 16 year old boy.

Zimbalist recently completed lensing on David Worth’s “The Prophet’s Game,” opposite Dennis Hopper. She is repped by Gold/Marshak/Liedtke and Himber Entertainment.

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Dey Young, has signed to a recurring role on Touchstone’s series on the WB, “Popular” and will also play Shirley Jones in NBC’s “The David Cassidy Story,” skedded to air Jan. 9. That vidpic co-stars Andrew Kavovit as Cassidy and Malcolm McDowell as Jack Cassidy.

Young is repped by manager Pam Prince.

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Brian Krause has signed to a series regular role on WB’s teen drama, “Charmed.” Krause, who joined the show last year in a recurring role, will develop a stronger relationship with Holly Marie Combs’ character. “Charmed” also stars Shannen Doherty and Alyssa Milano.

Krause made his feature debut alongside Milla Jovovich in “Return to the Blue Lagoon.” He has since appeared in Stephen King’s “Sleepwalkers” and the sudser “Another World.” He is repped by Leland LeBarre of Paul Kohner & Associates. and Robinson Entertainment.