Eric McCormack
Lucky (voice)

René Auberjonois
McLeish (voice)

Yvette Nicole Brown
Cookie (voice)

John DiMaggio
Niblet (voice)

Alanna Ubach
Strudel / Mr. Nut Nut (voice)

Michael Rapaport
Squirt (voice)

M. Emmet Walsh
Olaf (voice)

Brooke Goldner
Rebound (voice)

E. G. Daily
Dolly (voice) / Dolly / Pupster / Female Guard Dog #2 (voice) / Dolly / Wendy / ...

Cree Summer
Cupcake (voice) / Cupcake / Reporter #1 / Theme Song Singer (voice) / Trudy / Is...

Jeff Bennett
Claudio / Quartet Leader / Bus Driver (voice) / Howie / Soda Jerk / Netter (voic...

Jessica DiCicco
Patches (voice) / Kippy (voice) / Patches / Cell Bone (voice) / Tommy / Allyson ...

Kath Soucie
Jennifer / Millard's Mom / Dot's Mom (voice) / Flip / Blip / Sexy Woman (voice) ...

Betty White
Agatha McLeish (voice)

Tress MacNeille
Librarian / Restaurant Guest (voice) / Madame Pickypuss (voice) / City Council W...

Grey DeLisle
Teen Boy's Mom / Tabitha (voice) / Dot / Pugford (voice) / Yo Yo (voice) / Puddl...

Tara Strong
Madeline / Eve / Mom Gardener (voice) / Bubbles / Zipper (voice) / Carlyle / Chu...

Pamela Adlon
Gwen (voice) / Taboo (voice) / Chocko / Gizmo (voice) / Seymor (voice) / Henry /...

Kevin Michael Richardson
Ward / Mr. Grubo (voice) / Ringbinder / Bumbles / Announcer (voice) / Saint Bern...

Danny Cooksey
Chip / Biker (voice) / Teen Boy #2 / Volleyball Player (voice) / Humphrey (voice...