Cast
Curtis Armstrong
Robot DeFault / Marf (voice) • 50 episodes
Harland Williams
Monster Krumholtz (voice) • 50 episodes
Maurice LaMarche
Gart / Perry / Loudmouth (voice) • 50 episodes
Jonathan Slavin
Ogo (voice) • 50 episodes
Megan Hilty
J.D. (voice) • 50 episodes
Cree Summer
Spitfire / Globitha (voice) • 50 episodes
Rhea Perlman
Nessie (voice) • 50 episodes
Fred Tatasciore
Punch Morley (voice) • 50 episodes
Kurtwood Smith
Mr. Wheelie (voice) • 50 episodes
Ping Wu
Master Grabmirist (voice) • 50 episodes
Nolan North
Hal Worth-a-ton / Uncle Kuffley / Crikey (voice) • 50 episodes
Alan Tudyk
Crazy Cousin Gizmo (voice) • 2 episodes
Ruth Williamson
Dame Lady Madame (voice) • 1 episodes
Jon Polito
Sir Cranklin (voice) • 1 episodes
Jeff Bennett
Snap Winsome / Lil' Lugnuts (voice) • 7 episodes
Rob Paulsen
Bob / Scale (voice) • 1 episodes
Jeff Bennett
Snap Winsome (voice) • 7 episodes
Jeff Bennett
Marf (speaking) / Snap Winsome (voice) • 7 episodes
Jeffrey Tambor
St. Crispy (voice) • 1 episodes
Bill Fagerbakke
Lev (voice) • 2 episodes
April Winchell
Arpa / Grandma 10010 (voice) • 4 episodes
Jennifer Cody
Lucy (voice) • 3 episodes
Leon Thomas III
Monster's Singing Voice (voice) • 1 episodes
Kari Wahlgren
Robo Ono (voice) • 1 episodes
Greg Cipes
Vapid Milquetoast (voice) • 1 episodes
Harriet Sansom Harris
Bea Holder (voice) • 1 episodes
Adam Wylie
Fuzzy Slippers (voice) • 1 episodes
Crew
Art
Chuck Austen
Storyboard Artist • 10 episodes
Gary Conrad
Storyboard Artist • 3 episodes
Rudi Bloss
Storyboard Artist • 8 episodes
Josh Zinman
Storyboard Artist
Sam Levine
Storyboard Artist • 1 episodes
Beth Sleven
Storyboard Artist
Roy Meurin
Storyboard Artist
Carrie Liao
Storyboard Artist
Jim Mortensen
Storyboard Artist
Fawn Veerasunthorn
Storyboard Artist
Adam Henry
Storyboard Artist • 1 episodes
Peter Ferk
Storyboard Artist
John Eddings
Storyboard Artist
Directing
Adam Henry
Director • 17 episodes
Chuck Austen
Director • 5 episodes
Gary Conrad
Director • 17 episodes
Sam Levine
Director • 13 episodes
Sound
Jeff Sudakin
Music
Writing
Rachel Ruderman
Writer • 2 episodes
Dave Schiff
Writer
Gary Rolin
Writer
Sindy Boveda-Spackman
Writer
Joshua Sternin
Writer
Jim Mortensen
Writer
Kenny Byerly
Writer
Julia Miranda
Writer
Jennifer Ventimilia
Writer
Pete Goldfinger
Writer • 2 episodes
Laurie Israel
Writer
Kacey Arnold
Writer • 2 episodes
Gabriel Garza
Writer
Jeremy Shipp
Writer • 2 episodes
Eric Goldberg
Writer
Peter Tibbals
Writer
Jase Ricci
Writer