By Lynette Rice
Updated June 15, 2010 at 08:48 PM EDT

Image Credit: Jordin Althaus/WireImage.comMSNBC is developing a 10 p.m. show for Lawrence O’Donnell, the actor/writer who has served as a political analyst on the cable news channel since its launch in 1996. O’Donnell has previously filled in for Keith Olbermann as host of Countdown.

“I’ve had a part-time job at MSNBC for 14 years,” said O’Donnell in a statement. “Now that the network and I have gotten to know each other, I’m thrilled to be going full time.”

O’Donnell won an Emmy for writing and producing The West Wing for NBC. He also created the short-lived NBC series Mister Sterling and currentlyrecurs as attorney Lee Hatcher on the HBO series Big Love. Before coming to Hollywood,O’Donnell served as a legislative aide to Senator Daniel Patrick Moynihan. He started contributing to Morning Joe with Joe Scarborough last year and has been a guest host for Hardball with Chris Matthews, The Ed Show, and The Rachel Maddow Show.