Cast
| Name | Character | Team | |
|---|---|---|---|
 |
Ross Bagdasarian, Jr. | Alvin / Simon / David Seville (voice) | Unowned |
 |
Janice Karman | Theodore / Tommy's Sister (voice) | Unowned |
 |
Frank Welker | Santa Claus / Doctor (voice) | Unowned |
 |
Charles Berendt | Clyde Crashcup (voice) | Unowned |
 |
R.J. Williams | Tommy Waterford (voice) | Unowned |
 |
June Foray | Mrs. Waterford / Mrs. Claus | Unowned |