Cast & crew
The Scooby-Doo/Dynomutt Hour (1976)
Cast
| Henry Corden | (voice) |
| Allan Melvin | Additional Voices (voice) |
| Julie McWhirter | Additional Voices (voice) |
| Casey Kasem | Shaggy Rogers / Additional Voices (voice) |
| Micky Dolenz | Supporting Voices / Additional Voices (voice) |
| Don Messick | Scooby-Doo / Additional Voices (voice) |
| Gary Owens | Blue Falcon (voice) |
| Larry McCormick | (voice) |
| Virginia Gregg | Additional Voices (voice) |
| Heather North | Daphne Blake (voice) |
| Patricia Stevens | Velma Dinkley (voice) |
| Daws Butler | Scooby-Dum / Additional Voices (voice) |
| Shirley Mitchell | Olivia / Additional Voices (voice) |
| Bob Holt | Additional Voices (voice) |
| Frank Welker | Fred Jones / Additional Voices / Dynomutt (voice) |
| Ralph James | |
| Regis Cordic | (voice) |
| Joan Gerber | Additional Voices (voice) |
| Ron Feinberg | Additional Voices (voice) |
| John Stephenson | Additional Voices (voice) |
Crew
| William Hanna | Producer |
| Joseph Barbera | Producer |
| Alex Lovy | Producer |