- Bruce Willis
- Bruno the Kid
- Tony Jay
- Jarlesburg
- Jennifer Hale
- Leecy Davidson
- Tim Curry
- Lazlo Gigahurtz
- Kath Soucie
- Grace - Bruno's Mom
- John Bower
- Howard - Bruno's Dad
- Mark Hamill
- Harris
- Dawnn Lewis
- Di Archer
- Bronson Pinchot
- General Armando Costrato
- Kenneth Mars
- Professor Von Trapp
- David Feeney
- (voice)
- Gerrit Graham
- (voice)
- Earl Boen
- (voice)
- Teresa Ganzel
- (Voice)
