Characters played by Robin Williams
Henry Altmann
Characters played by Mila Kunis
Dr. Sharon Gill
Characters played by Peter Dinklage
Aaron Altmann
Characters played by Melissa Leo
Bette Altmann
Characters played by Hamish Linklater
Tommy Altmann
Characters played by Sutton Foster
Adela (Tommy's Girlfriend)
Characters played by James Earl Jones
Ruben (Video store owner)
Characters played by Richard Kind
Bix Field
Characters played by Daniel Raymont
Ulugbek (Uzbek cab driver)
Characters played by Chris Gethard
Dr. Jordan Reed (Sharon's friend)
Characters played by Jerry Adler
Cooper (Aaron's client)
Characters played by Isiah Whitlock Jr.
Yates (Aaron's client)
Characters played by Bob Dishy
Frank
Characters played by Da'Vine Joy Randolph
Nurse Rowan
Characters played by Jeremie Harris
Leon (Homeless cameraman)