 | Hans Conried als The Grinch / Narrator (voice) |
 | Hal Smith als Josiah (voice) |
 | Gary Shapiro als Euchariah (voice) |
 | Irene Tedrow als Mariah (voice) |
 | Jack DeLeon als Sgt. Samuel McPherson (voice) |
 | Henry Gibson als Max (voice) |
| Bob Dranko | Title Graphics |
| Gerard Baldwin | Director |
| Lee Gunther | Production Manager |
| Dr. Seuss | Teleplay |
| Roy Morita | Title Graphics |
| Lee Mishkin | Animation |
| Rudy Zamora Jr. | Animation |
| David H. DePatie | Executive Producer |
| Friz Freleng | Executive Producer |
| Don Williams | Animation |
| Chrystal Russell | Animation |
| John Gibbs | Animation |
| Rick Steward | Editor |
| Bob Matz | Animation |
| Joe Siracusa | Editor |
| Richard H. Thomas | Background Designer |
| Ralph Migliori | Camera Operator |
| Ray Lee | Camera Operator |
| Dr. Seuss | Producer |
| Joe Raposo | Music |
| Willis Pyle | Animation |
| Bob Mills | Camera Operator |
| Robert Gillis | Editor |
| Fred Hellmich | Animation |
| Thurl Ravenscroft | Vocals |
| Eric Rogers | Conductor |
| Dr. Seuss | Lyricist |
| Barrington Bunce | Assistant Director |
