The Scooby-Doo/Dynomutt Hour (1976)

Henry Corden

as (voice)

Allan Melvin

as Additional Voices (voice)

Casey Kasem

as Shaggy Rogers / Additional Voices (voice)

Julie McWhirter

as Additional Voices (voice)

Micky Dolenz

as Supporting Voices / Additional Voices (voice)

Don Messick

as Scooby-Doo / Additional Voices (voice)

Gary Owens

as Blue Falcon (voice)

Virginia Gregg

as Additional Voices (voice)

Larry McCormick

as (voice)

Heather North

as Daphne Blake (voice)

Patricia Stevens

as Velma Dinkley (voice)

Bob Holt

as Additional Voices (voice)

Daws Butler

as Scooby-Dum / Additional Voices (voice)

Frank Welker

as Fred Jones / Additional Voices / Dynomutt (voice)

Shirley Mitchell

as Olivia / Additional Voices (voice)

Joan Gerber

as Additional Voices (voice)

Ron Feinberg

as Additional Voices (voice)

R

Ralph James

Acting

John Stephenson

as Additional Voices (voice)

R

Regis Cordic

as (voice)