Directed by
| Phil Monroe | ||
Writing Credits
| Janice Karman | ... | (written by) & |
| Ross Bagdasarian Jr. | ... | (written by) (as Ross Bagdasarian) |
| Hal Mason | ... | (additional story) |
| Ross Bagdasarian | ... | (characters) |
Cast (in credits order)
| Ross Bagdasarian Jr. | ... | Alvin / Simon / David Seville (voice) (as Ross Bagdasarian) | |
| Janice Karman | ... | Theodore / Tommy's Sister / Cindy Lou (voice) | |
| June Foray | ... | Mrs. Waterford / Mrs. Claus (voice) | |
| Frank Welker | ... | Santa Claus / Doctor (voice) | |
 |
Charles Berendt | ... | Clyde Crashcup (voice) |
| R.J. Williams | ... | Tommy Waterford (voice) | |
Produced by
| Ross Bagdasarian Jr. | ... | producer (as Ross Bagdasarian) |
| Janice Karman | ... | producer |
| Mary Roscoe | ... | assistant producer |
Music by
| Chris Caswell | ||
Editing by
| Rich Harrison | ||
Production Design by
| Toby Bluth | ... | (as Toby) |
Production Management
| Mary Roscoe | ... | production manager |
Animation Department
| Irv Anderson | ... | animator |
| Phyllis Blumenfeld | ... | assistant animator |
| Toby Bluth | ... | background painter (as Toby) |
| Dave Brain | ... | animator |
| Retta Davidson | ... | key assistant animator |
| Leslie Gorin | ... | animator (as Leslie Margolin) |
| Edgar Gutierrez | ... | ink and paint artist |
| Chuck Jones | ... | character designer |
| Sammie Lanham | ... | assistant animator (as Sammie Lanhan) |
| Terry Lennon | ... | animator |
| Michel Lyman | ... | assistant animator |
| Norm McCabe | ... | animator |
| John McGuire | ... | animator |
| Phil Monroe | ... | animator |
| Donna Mouliot | ... | assistant animator |
| Sam Nicholson | ... | animator |
| Ken O'Brien | ... | animator |
| Tom Ray | ... | animator |
| Marjorie Roach | ... | scene planner (as Margie Roach) |
| Virgil Ross | ... | animator |
| George Scribner | ... | animator |
| Robert Shellhorn | ... | assistant animator (as Bob Shellhorn) |
| Grace Stanzell | ... | assistant animator |
| Stan Walsh | ... | animator |
| Bill Wolf | ... | assistant animator |
| Alan Zaslove | ... | animator |
| Walt Kubiak | ... | animator (uncredited) |
Music Department
| Randy Edelman | ... | composer: original songs |
Additional Crew
| Chuck Jones | ... | creative consultant |
