Southland star Michael Cudlitz has joined the cast of The Walking Dead.

The 48-year-old actor has signed on to play Sgt Abraham Ford in season four of the horror drama series.

Cudlitz could not contain his excitement after the announcement was made at New York Comic Con over the weekend. He tweeted: "BOOM!!! ..... #SGT.ABRAHAM FORD ..... @WalkingDead_AMC

Cudlitz's character Sgt Ford, who is described as Rick's right hand man, first appeared in the 53rd issue of The Walking Dead comic book series.

Cudlitz joins fellow new cast member Josh McDermitt, who will play Dr. Eugene Porter.