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,

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.

Stephen Colbert will guest star in an upcoming episode of the crime comedy series "Elsbeth," appearing as a late-night frontman.