The Scooby-Doo/Dynomutt Hour

Henry Corden (voice) Allan Melvin Additional Voices (voice) Casey Kasem Shaggy Rogers / Additional Voices (voice) Julie McWhirter Additional Voices (voice) Micky Dolenz Supporting Voices / Additional Voices (voice) Don Messick Scooby-Doo / Additional Voices (voice) Gary Owens Blue Falcon (voice) Virginia Gregg Additional Voices (voice) Larry McCormick (voice) Heather North Daphne Blake (voice) Patricia Stevens Velma Dinkley (voice) Bob Holt Additional Voices (voice) Daws Butler Scooby-Dum / Additional Voices (voice) Frank Welker Fred Jones / Additional Voices / Dynomutt (voice) Shirley Mitchell Olivia / Additional Voices (voice) William Hanna Producer Joseph Barbera Producer Alex Lovy Producer