character - Russell

character - Rod Stool

character - Grandpaw / Manhole Dog (voice)

character - Balloon Vendor

character - Older Felix

character - Roy (voice)

character - Byron Kane

character - CC Glendale

character - Gil/Manny (voice)

character - Gil / Manny (voice)

character - Gil / Manny (voice)

character - Mr. Kerdle (voice)

character - Judd Lumpkin

character - Frank Kanaskie

character - Dr. Fraser Healy

character - Nancy Siebolski

character - Duke Peel (voice)

character - Barry

character - Ben

character - Uncle EP Leacock

character - Victor

character - Nestor (voice)

character - Professor Pamplemoose (voice)

character - Jim Fenton

character - Two Legs Joe (voice)

character - Robert (voice)

character - Hank Kringle

character - Harold Green

character - Buddy (voice)

character - Sam

character - Detective Hamish Slorach

character - Mr. Rutabaga

character - Robear (voice)

character - Joe Lieber

character - Dr. Julius Booker

character - Louis Owen

character - Milo 55160

character - Dr. Gavin Brookes

character - Harold Green

character - Duncan

character - Darren

character - Harold Green

character - Gary Hargrave

character - Gary Hargrave

character - Lab Technician

character - Roger

character - Supervisor

character - Jay Felger

character - Marty Stephens

character - Dr. Seigel

character - Gary Redfield

character - Umberto Ortega

character - Umberto Ortega

character - Snyder

character - Billy the Club Manager

character - Harold Green

character - TV Man

character - Barry Berlin (uncredited)

character - Rivet