Because of a small navigation mistake Lord Buckethead lands on Earth instead of "in a galaxy far, far away". But he is still looking for the princess and the secret transmissions.
Max
Karen
Hopper
Lord Buckethead
Chester / Captain Starfighter
Alien
Alien
Alien
Alien
Alien
Alien
Chief Norman
Father Cleary
Colonel Lax
Mr. Uker
Mrs. Uker
Timothy
Little Jeff
Professor