Synergy: According to The Hollywood Reporter, "CSI: Crime Scene Investigation" star Marg Helgenberger has joined the cast of the Weitz brothers' Synergy for Universal Pictures.

The comedy revolves around the uneasy relationship between a 50-year-old businessman (Dennis Quaid) and his new 26-year-old boss (Topher Grace). The younger boss is having an affair with the older man's daughter (Scarlett Johansson). Helgenberger will play the wife of Dennis Quaid's character and mother to Johansson's character. Selma Blair, Clark Gregg, Philip Baker Hall and David Paymer round out the cast. Shooting starts March 15.

Paul Weitz will direct from his own script.