Jayne Cobb is The Inside Man

"Firefly" scene-stealer Adam Baldwin is returning to the Idiot Box.

Baldwin – who also appeared on the final season of "Angel" – has joined the cast of "The Inside", from 20th Century Fox Television and studio-based Imagine Television, says The Hollywood Reporter.

The new show centers on a young, ambitious FBI agent (Rachel Nichols) who is assigned to the agency’s Los Angeles Violent Crimes Division. Baldwin will play a tough, seasoned FBI agent, a man’s man with 25 years on the job.

Talking of Baldwin, his next film "Serenity" is having sneaks around LA at the moment. Here’s a look at the front and back of the preview invo.