- Johnny Depp
- Commander Spencer Armacost
- Charlize Theron
- Jillian Armacost
- Joe Morton
- Sherman Reese
- Clea Duvall
- Nan
- Donna Murphy
- Natalie Streck
- Nick Cassavetes
- Capt. Alex Streck
- Samantha Eggar
- Dr. Patraba
- Gary Grubbs
- NASA Director
- Blair Brown
- Shelly McLaren
- Tom Noonan
- Jackson McLaren
- Conrad Bachmann
- Reporter
- Tom O'Brien
- Allen Dodge
- Lucy Lin
- Shelly Carter
- Michael Crider
- Pat Elliott
- Jacob Stein
- Calvin
- Dylan Sprouse
- Twins
- Cole Sprouse
- Twins
- Rand Ravich
- Director, Writer
- Andrew Lazar
- Producer
- Mark Johnson
- Executive Producer
- Donna Langley
- Executive Producer
- Brian Witten
- Executive Producer
- George S. Clinton
- Original Music
- Allen Daviau
- Cinematographer
- Timothy Alverson
- Film Editing
- Debi Manwiller
- Casting
- Richard Pagano
- Casting
- Jan Roelfs
- Production Design
- Sarah Knowles
- Art Director
- Leslie Pope
- Set Decoration
- Isis Mussenden
- Costume Design
- Steve Mirkovich
- Film Editing
