Charlie Sheen

Zane Zaminski

Lindsay Crouse

Ilana Green

Richard Schiff

Calvin

Ron Silver

Gordian

Teri Polo

Char

Phyllis Applegate

Mrs. Roosevelt

Tony T. Johnson

Kiki

Alan Coates

Terraformer

Leon Rippy

DOD #1

Buddy Joe Hooker

DOD #2

David Villalpando

Cabbie

Mónica Dionne

Reporter #1

Alejandro Usigli

Reporter #2

Luisa Huertas

Security Woman

Roger Cudney

JPL Official

David Sherrill

Lance (uncredited)

Ellen Bradley

Screaming Woman