Self-Help

Self-Help is an upcoming comedy film.

Plot
A famous self-help guru is forced to share the spotlight with a new one.

Cast

 * Kevin Kline as Marvin Withers, Lenny's publisher
 * Robert Downey Jr. as Ash Dempsey, a self-help guru
 * Stephen Dorff as Declan Moss, a self-help guru
 * Vince Vaughn as Lenny Spears, an author of self-help books
 * Julie Benz as Diana Adams, a hairdresser
 * Jonathan Pryce as Gavin Ralston, a pharmacist
 * Kenny Wormald as Andrew Chamberlain, a shy yet cocky tennis player
 * Dane DeHaan as Graham Chamberlain, Andrew's brother
 * Tina Fey as Jenna Duncan, the host of a self-help TV show
 * Adam Scott as Richard Duncan, Tina's husband
 * Taylor Swift as Greta Hines, Andrew's girlfriend