Here is your dose of film news for July 8, 2009:

• Randall Wallace, director of "We Were Soldiers" and screenwriter of "Pearl Harbor" and "Braveheart," is set to rewrite McG's upcoming "20,000 Leagues Under the Sea: Captain Nemo." Featuring characters from the Jules Verne novel, the film focuses on Nemo's efforts to build the Nautilus, his advanced submarine. Bill Marsilii and Justin Marks wrote the first screenplay. (The Hollywood Reporter)

• Patrick Dempsey and Eric Dane from "Grey's Anatomy" are boarding Garry Marshall's upcoming comedy "Valentine's Day," which follows 10 Los Angeles people whose lives intersect on Valentine's Day. Topher Grace, Emma Roberts, Hector Elizondo, Julia Roberts, Anne Hathaway, Jessica Alba, Jessica Biel, Jennifer Garner, Shirley MacLaine, Bradley Cooper and Ashton Kutcher co-star. Dempsey plays a married obstetrician while Dane will play a quarterback. (Variety, THR)

• Brett Cullen, whose credits include "The Burning Plain," "Ghost Rider" and "National Security," has joined the cast of Floria Sigismondi's upcoming music biopic "The Runaways," about the formation of The Runaways all the way to the end of their career as a group. Kristen Stewart and Dakota Fanning also star, and Cullen will play Fanning's alcoholic father. (The Hollywood Reporter)

• Michael Clarke Duncan and Morgan Simpson are set to star in Mario Van Peebles's upcoming drama "Bailey." Simpson also wrote the script, which Variety describes as "spiritual redemption against the backdrop of Memphis blues." Okay, that doesn't exactly tell us much. Van Peebles recently directed "Kerosene Cowboys." He also starred in "Damages."

• Patricia Richardson, Aimee Teegarden and Helen Slater have signed on to star in David Mueller's drama "Beautiful Wave," about a teen who discovers surfing (and a family secret) while on a vacation at her grandmother's in California. Richardson is known for her role as Jillian on "Home Improvement." Teegarden is known as Julie Taylor on "Friday Night Lights," while Slater appeared on "Smallville" and "Will & Grace." (THR)