Dwayne Johnson
Jack Bruno
AnnaSophia Robb
Sara
Alexander Ludwig
Seth
Carla Gugino
Dr. Alex Friedman
Ciarán Hinds
Burke
John Kassir
Chuck
Tom Everett Scott
Matheson
Kim Richards
Tina
Meredith Salenger
Natalie Gann
Billy Brown
Carson
Tom Woodruff Jr.
Siphon
Bob Clendenin
Lloyd
Robert Torti
Dominick
Garry Marshall
Dr. Donald Harlan
Ike Eisenmann
Sheriff Antony
Cheech Marin
Eddie
Harry S. Murphy
Analyst D. Pleasence
John Duff
Frank
Bob Koherr
Marty
Kevin Christy
Matt
Sam Wolfson
Imperial Stormtrooper Ciardi
Bryan Fogel
Imperial Stormtrooper Gray
Beth Kennedy
Stenftenagel
Jonathan Slavin
Gallagher
Ted Hartley
Four-Star General V. Lewton
Thomas Conroy
General E. Albert
Andrew Shaifer
Casey Taylor
Suzanne Krull
Gail Ross
Steven Rosenbaum
Oren Bergman
Christine Lakin
Sunday
Corri English
Herself (Brokedown Cadillac)
Randy Dunham
Himself (Brokedown Cadillac)
Jeff LeGore
Himself (Brokedown Cadillac)
Danny Reuland
Himself (Brokedown Cadillac)
Don Ian
Himself (Brokedown Cadillac)
Dave Engfer
Iscovich
Omar J. Dorsey
Police Officer Hough
Joseph Leo Bwarie
Frankie Valet
Paul Nygro
Teddy Tentacles
Brandon Scott Miller
Hendricks
Dennis Hayden
Ray
Huang Shengyi
Shira the UFO Huntress
Hiromi Oshima
Fem-Alien #1
Christina Wun
Fem-Alien #2
Pleasant Wayne
Bar Girl
Rob Simone
UFOlogist (uncredited)