Directed by
| Robert Cannon | ||
| John Hubley | ... | (supervising director) |
Writing Credits
| Bob Russell | ... | (story) & |
| Phil Eastman | ... | (story) & |
| Bill Scott | ... | (story) |
Cast
| Jim Backus | ... | John Harvard (voice) (uncredited) | |
| Bill Scott | ... | Machine Sound (uncredited) | |
 |
Harry Stanton | ... | John Harvard's Singing Voice (uncredited) |
| Gloria Wood | ... | Clementine (uncredited) | |
Produced by
| Stephen Bosustow | ... | executive producer |
Music by
| Gail Kubik | ||
Production Management
| Adrian Woolery | ... | production manager (as Ade Woolery) |
Art Department
| William T. Hurtz | ... | designer (as Bill Hurtz) |
Camera and Electrical Department
| Jack Eckes | ... | camera operator |
Animation Department
| Pete Burness | ... | animator |
| Mary Cain | ... | ink and paint artist |
| Jules Engel | ... | color artist |
| Herbert Klynn | ... | color artist (as Herb Klynn) |
| Pat Matthews | ... | animator |
| Bill Melendez | ... | animator |
| Willis Pyle | ... | animator (as Willie Pyle) |
| Paul J. Smith | ... | animator (as Paul Smith) |
| Robert Cannon | ... | character designer (uncredited) |
| Robert Givens | ... | layout artist (uncredited) |
Additional Crew
| Max Morgan | ... | production assistant |
