Grey DeLisle
Mom Unit / Shannon Westerburg (voice) (32 eps)
Myles Jeffrey
Cubey Cubinacle (voice) (23 eps)
Gary LeRoi Gray
Mitch Freeman Davis (voice) (22 eps)
Kyle Sullivan
Socks Morton (voice) (21 eps)
Bobby Block
Robot Jones (voice) (14 eps)
Jeff Bennett
Principal Madman (voice) (14 eps)
David Koechner
Clancy Sleepyjeans (voice) (8 eps)
Rip Taylor
Mr. McMcMc (voice) (8 eps)
Austin Stout
Denny Yogman (voice) (7 eps)
Josh Peck
Lenny Yogman (voice) (6 eps)
Erica Mer
Pam (voice) (6 eps)
Taylor Gifaldi
Jamie Martin (voice) (3 eps)
Dee Bradley Baker
Mr. Werkaut (voice) (2 eps)
Gedde Watanabe
James Nob (voice) (2 eps)
Mae Whitman
Stacey (voice) (2 eps)
Tom Kenny
Cubik (voice) (1 eps)
Kevin McDonald
Mr. Mitchell (voice) (1 eps)
Candi Milo
Nurse Newcun (voice) (1 eps)
Attila Davidhazy
Finkman (voice) (1 eps)
Kimberly Brooks
Mrs. Kavendish (voice) (1 eps)
André Sogliuzzo
Nutz (voice) (1 eps)
Rob Paulsen
Second DJ (voice) (1 eps)
Jordan Warkol
Steve (voice) (1 eps)