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,

Stephen Colbert will appear as a late-night TV host on CBS' "Elsbeth," continuing a tradition of late-night hosts in prime-time roles.

Stephen Colbert is making the leap to a different kind of late-night show, as sources confirm that the host and comedian will appear as a guest star in the upcoming third season of Elsbeth.