| Matthew Broderick | Jimmy Garrett |
| Helen Hunt | Teresa Teri McDonald, Psychologist |
| William Sadler | Dr. Lynnard Carroll |
| Johnny Ray McGhee | Isaac Robertson |
| Jonathan Stark | Sgt. Kreig Kreiger |
| Robin Gammell | Col. Niles |
| Stephen Lang | Watts |
| Jean Smart | Dr. Criswell |
| Chuck Bennett | Gen. Claybourne |
| Clatu | Spke Chimp |
| Harry | Ginger Chimp |
| Karanja | Goliath Chimp |
| Anne Lockhart | Actor |
| Lucy | Razzberry Chimp |
| Lulu | Ethel Chimp |
| Mousie | New Recruit Chimp |
| Okko | Goofy Chimp |
| Louis A. Peretz | Bellhop |
| David Raynr | Airman Curtis |
| Philip A. Roberson | Reeves |
| Willie | Virgil Chimp |
| Duncan Wilmore | Maj. Duncan |
| Jackson Sleet | Tavel |
| Ken Lerner | Finley |
| Daniel Roebuck | Hadfield |
| Mark Harden | Airman Lewis |
| Marvin J. McIntyre | Jimmy's Cellmate |
| Swede Johnson | Senator |
| Harry Northrup | Congressman |
| Michael Kramer | Lt. Voeks |
| Reed R. McCants | Lt. Frohman |
| Ward Costello | Price |
| Lance August | Cochran |
| Stan Foster | Daniels |
| Gil Mandelik | Perks |
| Shelly Desai | Mr. Verrous |
| Dick Miller | Max King, Freight Clerk |
| Michael Milgrom | Melvin |
| Catherine Paolone | Miss Decker |
| John Chilton | Dr. Hutchins |
| David Hubbard | Airman Curtis |
| Lynn Eastman | Sgt. Huntley |
| Julian Sylvester | Airman |
| Kim Robillard | Lt. Rainey |
| David Stenstrom | Lt. Durschlag |
| Richard Cummings | Lt. Hayes |
| Randal Patrick | Mackler |
| Bob Minor | Air Policeman |
| Raymond Elmendorf | Air Policeman |
| Robert Covarrubias | M.P. Rodriguez |
| Dino Shorte | M.P. Jones |
| Travis Swords | Fanara |
| William Snider | Warden |
| Michael McGrady | Wilson |
| Rob Fitzgerald | Dryer |
| Pamela Ludwig | Lenore |
| Deborah Offner | Carol Lee |
| Tee Rodgers | Brig M.P. |
| Jackie Kinner | United Way Volunteer |
| Mady Kaplan | TV Announcer |
| Chevis Cooper | Customer |
| Ken Sagoes | Patrolman |
| Sam Laws | Bartender |
| Sonny Davis | Sgt. Ridley |
| Lance E. Nichols | Hamer |
Technical Credits
| Jonathan Kaplan | Director |
| O. Nicholas Brown | Editor |
| Jackie Burch | Casting |
| Lynn Christopher | Set Decoration/Design |
| Dean Cundey | Cinematographer |
| C.O. Erickson | Executive Producer |
| Michael Fink | Special Effects,Special Effects Supervisor |
| Peter Gabriel | Songwriter |
| Petur Hliddal | Sound/Sound Designer |
| James Horner | Score Composer |
| Lawrence Lasker | Original Story,Producer,Screenwriter |
| Gary Mallaber | Songwriter |
| Chris McCarty | Songwriter |
| Joseph G. Pacelli | Set Decoration/Design |
| Walter Parkes | Producer,Screenwriter |
| Lawrence G. Paull | Production Designer |
| Brent Schoenfeld | Editor |
| Albert M. Shapiro | Asst. Director |
| Rick Simpson | Set Decoration/Design |
| Raymond Stella | Camera Operator |
| Mary Vogt | Costumes/Costume Designer |
| Stanley G. Weiser | Original Story,Screenwriter |
| Michael Westmore | Makeup |
