 | Russ Tamblyn als Tom Thumb |
 | Alan Young als Woody |
 | June Thorburn als Forest Queen |
 | Terry-Thomas als Ivan |
 | Peter Sellers als Antony |
 | Bernard Miles als Jonathan |
 | Jessie Matthews als Anne |
 | Ian Wallace als The Cobbler |
 | Peter Butterworth als Kapellmeister |
 | Peter Bull als Town Crier |
 | Stan Freberg als Yawning man (voice) |
| Dal McKennon als Con-Fu-Shon (voice) |
| George Pal | Director |
| George Pal | Producer |
| Douglas Gamley | Music |
| Ladislas Fodor | Screenplay |
| Jacob Grimm | Story |
| Wilhelm Grimm | Story |
| Georges Périnal | Director of Photography |
| Elliot Scott | Art Direction |
| Dora Wright | Associate Producer |
| Ken Jones | Music |
| Frank Clarke | Editor |
| Olga Lehmann | Costume Design |
| Hilda Fox | Hairdresser |
| Charles E. Parker | Makeup Artist |
| E.J. Holding | Production Manager |
| David Middlemas | Assistant Director |
| John Bramall | Sound Recordist |
| A.W. Watkins | Recording Supervision |
| Denys N. Coop | Camera Operator |
| Wah Chang | Animation |
| Gene Warren | Animation |
| Kermit Goell | Songs |
| Peggy Lee | Songs |
| Muir Mathieson | Music Director |
| Fred Spielman | Songs |
| Janice Torre | Songs |
| Angela Martelli | Continuity |
| Alex Romero | Choreographer |
