As Stephen Colbert prepares to bid farewell to 'The Late Show,' he's already booked a gig on the CBS drama 'Elsbeth,' where he'll play a late-night host.

Carrie Preston in 'Elsbeth' Season 2; Stephen Colbert on 'The Late Show' - CBS A full cast list will be announced at a later time, but expect Preston to return as the titular character along with costars Carra Patterson and Wendell Pierce,