Wealthy donor to make Leonard act naughty in this new CBS, Big Bang Theory season 4 spoiler. According to TVline, a new wealthy donor his arriving on the scene who may cause Leonard to compromise his virtue,and she’ll be played by actress Jessica Walters.

They say she’s been booked to do a guest stint on the show. Jessica will play character Barbara Lathan who is a wealthy donor to the university that has an upcoming grant to the science department. The grant may be contingent on Leonard compromising his virtue.

The episode is scheduled to air in February. Also The West Wing’s star Josh Malina will guest star as a university president named Arlo Seibert. His attitude will eventually start to annoy Sheldon.

Jessica Walter’s resume includes appearances on arrested Development,and she is now doing voiceover work for TV Land’s sitcom called “Retired at 35.” Follow us on Facebook for more TV,entertainment news,and more by Clicking Here.

Tweet