Kevin Spacey as Henry Carter

Mark Webber as Jeremy

Keke Palmer as Jemma

Saffron Burrows as Kate

Jack Huston as Shamus

Pell James as Daisy

Dallas Roberts as Patrick

Laura Ramsey as Keira

Jesse Plemons as Jesus

Robert Loggia as Dr. Robert Carter

Meiling Melançon as Miyu

Robin Williams as Holden

Clayton Rohner as Dr. McBurney

Ken Weiler as Jason

Joel Gretsch as Evan

Aimee Garcia as Check-out Girl

Justin Alston as Rio

Philip Pavel as Neil

Robert Farrior as Bryce

Branden Morgan as Eric

Brian Huskey as Film Executive #1

Jillian Armenante as Karen

Thomas Moffett as Director

Joe Nieves as Lil King

Bobby Arnot as Intern

Mina Olivera as Make-up Girl

Gore Vidal as George Charles

Daniel Joseph as Paparazzi

Weston Middleton as P.A.

Ashley Greene as Missy