Two astronauts are accidentally transported back to the time of cavemen [1], then eventually return to the present with cave people stowaways [2].
Actors:
Frank Aletter as Mac,
Jack Mullaney as Hector,
Imogene Coca as Shad,
Joe E. Ross as Gronk,
Cliff Norton as Boss [ 1 ],
Mike Mazurki as Clon [ 1 ],
Mary Grace as Mlor,
Pat Cardi as Breer,
Kathleen Freeman as Mrs. Boss [ 1 ],
Frank Wilcox as General Morley [ 2 ],
Jan Arvan as Dr. Hamilton [ 2 ],
Alan DeWitt as Tyler [ 2 ],
