Dean Parisot Director Tim Allen Jason Nesmith, Commanter Peter Quincy Taggart Actor Sigourney Weaver Gwen DeMarco, Lieutenant Tawny Madison Actor Alan Rickman Sir Alexander Dane, Dr. Lazarus Actor Tony Shalhoub Fred Kwan, Tech Sergeant Chen Actor Sam Rockwell Guy Fleegman, Security Chief 'Roc' Ingersol Actor Daryl "Chill" Mitchell Tommy Webber, Lieutenant Laredo Actor Enrico Colantoni Mathesar Actor Robin Sachs Sarris Actor Patrick Breen Quellek Actor Missi Pyle Laliari, Jane Doe Actor Jed Rees Teb Actor Justin Long Brandon Actor Jeremy Howard Kyle Actor Kaitlin Cullum Katelyn Actor Jonathan Feyer Hollister Actor Corbin Bleu Young Tommy Webber Actor Wayne Pere Lieutenant Lathe Actor Sam Lloyd Neru Actor Bill Chott Fan Actor Morgan Rusler Fan Actor Gregg Binkley Fan Actor Brandon Michael DePaul Fan Actor Paul G. Kubiak Fan Actor Greg Colbrook Fan Actor Jennifer Manley Shy Girl Actor John Patrick White Teen in the Bathroom Actor Todd Giebenhain Teen in the Bathroom Actor J.P. Manoux Excited Alien Actor Dan Gunther Navigator Actor Matt Winston Technician No. 1 Actor Brandon Keener Technician No. 2 Actor David Howard Writer, Screenwriter Robert Gordon Screenwriter Elizabeth Cantillon Executive Producer Allegra Clegg Associate Producer Suzann Ellis Co-Producer Sona Gourgouris Co-Producer Mark Johnson Producer Charles Newirth Producer Steven Spielberg Executive Producer David Newman Original Music Jerzy Zieliński Cinematographer Don Zimmerman Film Editing Debra Zane Casting Linda DeScenna Production Design James Nedza Art Director Ric McElvin Set Decoration Albert Wolsky Costume Design