Dwayne Johnson

Jack Bruno

AnnaSophia Robb

Sara

Alexander Ludwig

Seth

Carla Gugino

Dr. Alex Friedman

Ciarán Hinds

Burke

John Kassir

Chuck

Christopher Marquette

Pope

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

Steve 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

Shengyi Huang

Shira the UFO Huntress

Hiromi Oshima

Fem-Alien #1

Christina Wun

Fem-Alien #2

Pleasant Wayne

Bar Girl

Rob Simone

UFOlogist (uncredited)