Cast 15
Chris Hardwick
Glowface (voice) (20 episodes) (1 episode)
Jansen Panettiere
Truman X (voice) (20 episodes)
Patrick Warburton
Mr. X (voice) (20 episodes)
Wendie Malick
Mrs. X (voice) (20 episodes)
Lynsey Bartilson
Tuesday X (voice) (20 episodes)
Tom Kane
(4 episodes)
Randy Poffo
(3 episodes)
Stephen Root
(2 episodes)
Tom Kenny
(2 episodes)
Dee Bradley Baker
(2 episodes)
Laura Marano
Scout Y (voice) (1 episode)Andrea (voice) (1 episode)
Lindsay Sloane
(1 episode)
Jason Schwartzman
(1 episode)
Ashley Johnson
(1 episode)
Soleil Moon Frye
(1 episode)