Luitenant Pendelton participeert in een experiment waarbij hij tot de grootte van een molecuul wordt gereduceerd. Maar hij wordt gestolen en komt per ongeluk met zijn capsule terecht in de bloedbanen van de slome Jack die zich tot held moet ontwikkelen om Pendelton te redden. Hun enige hoop is de vriendin van Pendelton, die journalist is.
Nee, helaas is Innerspace nog niet beschikbaar op Netflix in Nederland.
| Directing | Joe Dante | Director |
| Sound | Jerry Goldsmith | Original Music Composer |
| Writing | Chip Proser | Screenplay |
| Crew | Pete Kozachik | Special Effects |
| Writing | Jeffrey Boam | Screenplay |
| Crew | Mike Johnson | Stunts |
| Costume & Make-Up | Rob Bottin | Makeup Effects Designer |
| Crew | Corey Michael Eubanks | Stunts |
| Crew | Al Wyatt Sr. | Stunts |
| Crew | Cindy Wills | Stunts |
| Crew | Simone Boisseree | Stunts |
| Crew | Dick Warlock | Stunts |
| Crew | Steven Lambert | Stunt Double |
| Sound | Rod Stewart | Songs |
| Visual Effects | Michael Wood | Special Effects Supervisor |
| Visual Effects | Dennis Muren | Visual Effects Supervisor |
| Camera | Andrew Laszlo | Director of Photography |
| Crew | Glenn Randall Jr. | Stunt Coordinator |
| Costume & Make-Up | Rosanna Norton | Costume Design |
| Art | Gene Nollman | Set Designer |
| Costume & Make-Up | John Rizzo | Makeup Artist |
| Production | Jon Peters | Executive Producer |
| Production | Steven Spielberg | Executive Producer |
| Directing | Carol Green | Second Assistant Director |
| Sound | Elliot Tyson | Sound Re-Recording Mixer |
| Camera | Ray Kinzer | Key Grip |
| Art | Wayne Fitzgerald | Title Designer |
| Production | Mike Fenton | Casting |
| Sound | Wayne Allwine | Sound Editor |
| Editing | Terry Hager | Color Timer |
| Art | Judy Cammer | Set Designer |
| Art | Richard C. Goddard | Set Decoration |
| Production | Frank Marshall | Co-Executive Producer |
| Directing | Anne Warner | Script Supervisor |
| Sound | Warren Hamilton Jr. | Sound Editor |
| Costume & Make-Up | Stephen Abrums | Makeup Artist |
| Sound | Teresa Eckton | Sound Editor |
| Costume & Make-Up | Joy Zapata | Hairstylist |
| Directing | Pat Kehoe | First Assistant Director |
| Editing | Mark Goldblatt | Additional Editor |
| Sound | Douglas Vaughan | Boom Operator |
| Costume & Make-Up | Barbara Lorenz | Hairstylist |
| Art | David Oliver Pfeil | Title Designer |
| Production | Kathleen Kennedy | Co-Executive Producer |
| Writing | Chip Proser | Story |
| Production | John C. Broderick | Unit Production Manager |
| Sound | Ken King | Production Sound Mixer |
| Production | Jane Feinberg | Casting |
| Production | Judy Taylor | Casting |
| Production | Chip Proser | Co-Producer |
| Sound | Mark Mangini | Supervising Sound Editor |
| Sound | John Pospisil | Sound Editor |
| Sound | James Matheny | Sound Editor |
| Editing | Kent Beyda | Editor |
| Art | James H. Spencer | Production Design |
| Sound | Kenneth Hall | Music Editor |
| Production | Peter Guber | Executive Producer |
| Production | Michael Finnell | Producer |
| Lighting | James Plannette | Gaffer |
| Art | Craig Raiche | Property Master |
| Art | William F. Matthews | Art Direction |
| Sound | Robert J. Litt | Sound Re-Recording Mixer |
| Sound | Steve Maslow | Sound Re-Recording Mixer |
| Art | Michael Muscarella | Construction Coordinator |
