John Stephenson

Ed Davenport

Grant Reynolds

Frank Avery

John Henry

Radio Announcer (voice) (uncredited)

Director

Thundercracker / Windcharger / Huffer

Kup (voice)

Annoucer / Chairman / Guy / Charlie (voice)

Joe Rockhead / Andre / Barker / Man #1 (voice)

Perry Gunite / Jeweler (voice)

Fingers / Sarge / Announcer / Attendant (voice)

Mr. Bourter / Charlie / General / Sergeant / Guy #1 (voice)

Mr. Slate (voice)

Harlie / Old Man / Sergeant / Radio Announcer (voice)

Mailman / Joe Rockhead (voice)

Narrator / F.M. / Boss / Guy #2 / Stonehead (voice)

B.J. / Guy #1 / Al / Guy #3 / Frank (voice)

Rock Quarry (voice)

Scat / Rockwell (voice)

Mr. Rockhead / O'Shale / Hot Dog Vendor (voice)

Doctor / 2nd Doctor (voice)

Mike / Captain / Announcer (voice)

Photographer #3 / J.J. Granite / Kid (voice)