“The Walking Dead’s” Benedict Samuel will join DC Comics-inspired series “Gotham” as Mad Hatter, aka Jervis Tetch, a brilliant hypnotist on the verge of insanity. According to the character description, Tetch arrives in Gotham with an unwavering desire to find his sister, Alice, a young woman who went missing in the city years ago. It is anyone’s guess just how far down the rabbit hole he’s willing to go in order to find her. “Gotham” Season 3 will premiere Monday, Sept. 19 at 8 p.m. on Fox.
Taye Diggs has been signed for a recurring role on the Fox’s “Empire.” His character, Harvard Law graduate Angelo Dubois, comes from a wealthy background, but is more concerned with local politics and community issues than making a