A Slug's Life is a 1997 Stop-Motion Animated Film
- Chris Rock as Flip, A Blue Slug.
- Jennifer Love Hewitt as Etta, A Purple Slug who is the Future Queen of Slugs. Flip’s Girlfriend.
- Tara Strong as Kate, A Pink Slug who is Etta's Sister and Flip's Only Friend before meeting the Circus Slugs.
- James Ravensberger as Ringmaster Splodge, A big red Slug who is the ringmaster of the Circus Slugs.
- Patrick Stewart as Humphrey, a Green circus slug who speaks in a British accent and is said to be a gentleman hero.
- Martin Short as Demi, A yellow slug who performs at The Circus with Humphrey. He often performs his act wearing a butterfly costume being toyed to a rope.
- Julia Roberts as Diamond, An Aquamarine Slug And The Only Female member of the Circus Slugs.
- Angela Lansbury as Queen Roberta, The Queen of the slugs. She is Pink just like Kate but is larger then her and all of the other slugs.
- Brian Blessed as Monster, An evil Grasshopper who is The Main Antagonist.
- Brendan O'Brien as Holt, Monster’s underappreciated Assistant who wants to leave his greedy boss and have a real life. He also is in love with Kate.
- Hugh Laurie and Stephen Fry as Arrow and Coco, The Two Birds That are Owned by Monster and Holt that eat other bugs for a job, but they don’t like it because they find all bugs except for worms disgusting.
- Tress MacNeille as Dr. Anna, a Doctor Slug who works close by to where the circus tent is located.
- Edie McClurg as Fran, An Orange Slug who is a Huge Fan of Going to The Circus.
- Mel Winkler as Pickle, A green slug who is Fran’s husband and has to go to the circus every year because of his wife’s childish fangirling over a circus.
- Jess Harnell as Cardy, a Stick Bug who acts as the strong operator for Demi’s circus act.
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