Cast & crew
Lassie: Joyous Sound (1972)
Directed by Jack Wrather Written by Eric Freiwald, Robert Schaefer
Cast
| Jay W. MacIntosh | Elaine Baker |
| Larry Pennell | Keith Holden |
| Pamelyn Ferdin | Lucy Baker |
| John Lasell | Dr. Robbins |
| Lassie | Lassie the Dog |
| Kevin Brodie | Dark-Haired Surfer |
| Jay North | Jim (Curly-Haired Surfer) |
| Jon Lormer | Man With Yorkshire Terrier (uncredited) |
Crew
| Jack Wrather | Director |
| Eric Freiwald | Writer |
| Robert Schaefer | Writer |
| Nathan Scott | Music |
| Robert F. Sparks | Director of Photography |
| Don Torpin | Assistant Director |
| Sid Sidney | Music Editor |