Jeremy Strong
as Kendall Roy
Kieran Culkin
as Roman Roy
Sarah Snook
as Siobhan Roy
Alan Ruck
as Connor Roy
Nicholas Braun
as Greg Hirsch
Hiam Abbass
as Marcia Roy
Peter Friedman
as Frank Vernon
J. Smith-Cameron
as Gerri Kellman
Dagmara Dominczyk
as Karolina Novotney
Justine Lupe
as Willa Ferreyra
David Rasche
as Karl Muller
Arian Moayed
as Stewy Hosseini