Warwick Davis
Leprechaun
Brent Jasmer
SSgt. Brooks Malloy
Jessica Collins
Dr. Tina Reeves
Rebecca Carlton
Princess Zarina
Gary Grossman
Harold
Debbe Dunning
Delores
Rick Peters
Mooch
Geoff Meed
Kowalski
Tim Colceri
Metal Head
Mike Cannizzo
Danny
Miguel A. Núñez Jr.
Sticks
Guy Siner
Dr. Mittenhand
Ladd York
Lucky
James W. Quinn
Computer Voice (voice)