 | Matt Johnson als Matt Johnson |
 | Owen Williams als Owen Williams |
 | Jared Raab als Jared Raab |
 | Josh Boles als Josh Boles |
| Andrew Appelle als Andrew Appelle |
| Ray James als Director Brackett |
 | Sharon Belle als Sharon Belle |
| Krista Madison als Julie Williams |
 | Joe J. Thomas als James Webb (voice) |
| John Henry Robson als Baby Simon |
 | Madeleine Sims-Fewer als Madeleine |
| Tom Bolton als Agent #1 |
| Johnny Osmokrovic als Agent #2 |
| Chris Gonsalves als Agent #3 |
| Brad Brackenridge als Texas Studio Manager |
| Antonin Lhotsky als Antonin Lhotsky |
| Massimo Di Liberato als Simon (2 years) |
| Samantha Michelle als Helena |
| Emilie Paquet als N.A.S.A. Secretary |
| Joe Anastasio als Scientist |
| Josh Boles | Writer |
| Aram Tertzakian | Executive Producer |
| Nick Spicer | Executive Producer |
| Nate Bolotin | Executive Producer |
| Curt Lobb | Editor |
| Dave Murray | Sound Recordist |
| Matthew Miller | Producer |
| Lee Kim | Producer |
| Jared Raab | Co-Producer |
| Andrew Appelle | Director of Photography |
| Jared Raab | Director of Photography |
| Tristan Zerafa | Visual Effects Supervisor |
| John Stead | Associate Producer |
| Lori Fischburg | Production Manager |
| Chris Crane | Production Design |
| Zosia Mackenzie | Art Direction |
| John O'Regan | Set Decoration |
| Tom Erik Rossavik | Set Decoration |
| Megan Oppenheimer | Costume Design |
| David Hayman | Music Supervisor |
| Colin Medley | Still Photographer |
| Sean Van Delft | Sound Recordist |
| Matthew Chan | Sound Re-Recording Mixer |
| Kristin Wayne | Key Makeup Artist |
| Peter Harvey | Line Producer |
| Matt Johnson | Director |
| Matt Johnson | Producer |
| Matt Johnson | Writer |
