Jon Turteltaub Director John Travolta George Malley Actor Kyra Sedgwick Lace Pennamin Actor Forest Whitaker Nate Pope Actor Jeffrey DeMunn Prof. John Ringold, Seismologist Actor Robert Duvall Doc Brunder Actor Richard Kiley Dr. Wellin, Brain Specialist Actor Brent Spiner Dr. Bob Niedorf Actor Vyto Ruginis Ted Rhome Actor Bruce A. Young FBI Agent Jack Hatch Actor Michael Milhoan Jimmy Actor Sean O'Bryan Banes Actor David Gallagher Al Pennamin Actor Ashley Buccille Glory Pennamin, Lace's Daughter Actor Tony Genaro Tito Actor Elizabeth Nunziato Ella Actor Gerald Di Pego Writer Jonathan D. Krane Executive Producer Charles Newirth Executive Producer Michael Taylor Producer Barbara Boyle Producer Eric Clapton Original Music Thomas Newman Original Music Phedon Papamichael Cinematographer Bruce Green Film Editing Renee Rousselot Casting Garreth Stover Production Design Bruce Alan Miller Art Director Jay Hart Set Decoration Betsy Cox Costume Design