The cast of "Succession" Stephen welcomes the cast of the award-winning HBO series “Succession” in their first late-night appearance together: Brian Cox, Sarah Snook, Kieran Culkin, Alan Ruck, Nicholas Braun, Matthew Macfadyen, and J. Smith-Cameron. Details Casts Title The cast of "Succession" Genres Comedy Talk Release Date 2021-10-08 Episode Runtime 00 Hours 38 Minutes Season Number 7 Episode Number 21 Production Companies Spartina Productions, CBS Studios Stephen Colbert Self - Host