Henry Corden

(voice)

Allan Melvin

Additional Voices...

Casey Kasem

Shaggy Rogers / A...

Julie McWhirter

Additional Voices...

Micky Dolenz

Supporting Voices...

Don Messick

Scooby-Doo / Addi...

Gary Owens

Blue Falcon (voice)

Virginia Gregg

Additional Voices...

Larry McCormick

(voice)

Heather North

Daphne Blake (voice)

Patricia Stevens

Velma Dinkley (vo...

Bob Holt

Additional Voices...