Buzz News Roundup, 8/1

• Lisa Bonet has joined the cast of Life on Mars as the main character's girlfriend, Entertainment Weekly reports.
• The Hollywood Reporter writes that Colin Firth is joining the next film version of Oscar Wilde's The Picture of Dorian Gray.
• ComingSoon reports that Mike Myers is writing the fourth Austin Powers movie.
• Billboard has details about the first album from The Verve in more than a decade.
• Law & Order creator Dick Wolf is working on another project about lawyers for NBC, Zap2it reports.
• The action-fantasy film Prince of Persia, starring Jake Gyllenhaal, has been pushed back a year and will now open Memorial Day weekend 2010, Variety writes.
• The Hollywood Reporter has the news that Nicolas Cage and director John Carpenter will team up for prison thriller Scared Straight.
• According to ComingSoon, the script for the dramedy Ivy Chronicles, starring Sarah Jessica Parker, is being written by Aline Brosh McKenna, who wrote the screenplay for The Devil Wears Prada.