Lewis Barnavelt, a shy but indomitable ten-year-old orphan, goes to live with his uncle Jonathan, a former entertaining magician, who hides too many creepy secrets, in a creaky old house with a mysterious tick-tocking heart which Jonathan is obsessed to find with the assistance of his enigmatic next-door neighbor Mrs. Zimmerman.
| Writing | Eric Kripke | Screenplay |
| Writing | John Bellairs | Novel |
| Directing | Eli Roth | Director |
| Production | Brad Fischer | Producer |
| Production | Laeta Kalogridis | Executive Producer |
| Production | Eric Kripke | Producer |
| Production | W. Mark McNair | Executive Producer |
| Production | Tracey Nyberg | Executive Producer |
| Production | William Sherak | Executive Producer |
| Production | James Vanderbilt | Producer |
| Production | Nicole Abellera | Casting |
| Production | Jeanne McCarthy | Casting |
| Art | Andres Cubillan | Art Direction |
| Art | Walter P. Martishius | Art Direction |
| Art | Ellen Brill | Set Decoration |
| Art | Tommy Wilson | Set Decoration |
| Editing | Andrew S. Eisen | Editor |
| Editing | Fred Raskin | Editor |
| Camera | Rogier Stoffers | Director of Photography |
| Sound | Nathan Barr | Original Music Composer |
| Sound | Peter Staubli | Sound Designer |
| Sound | Jon Title | Sound Designer |
| Sound | Randy Torres | Sound Designer |
