Charlie ChaplinCharlie Chaplin was 25 in His Prehistoric Past as 'Weakchin'.
Mack SwainMack Swain was 38 in His Prehistoric Past as 'King Lowbrow'.
Gene MarshGene Marsh was 21 in His Prehistoric Past as 'Sum-Babee'.
Fritz SchadeFritz Schade was 34 in His Prehistoric Past as 'Ku-Ku aka Cleo'.
Cecile ArnoldCecile Arnold was 21 in His Prehistoric Past as 'Cavewoman'.
Al St. JohnAl St. John was 21 in His Prehistoric Past as 'Caveman'.
May WallaceMay Wallace was 37 in His Prehistoric Past as 'The Queen'.Ted EdwardsTed Edwards was 30 in His Prehistoric Past as 'Caveman (uncredited)'.
Vivian EdwardsVivian Edwards was 18 in His Prehistoric Past as 'Cavewoman (uncredited)'.Charles LakinCharles Lakin was >> in His Prehistoric Past as 'Caveman (uncredited)'.Grover LigonGrover Ligon was 29 in His Prehistoric Past as 'Caveman (uncredited)'.
Frank D. WilliamsFrank D. Williams was 21 in His Prehistoric Past as 'Caveman (uncredited)'.Billy GilbertBilly Gilbert was 23 in His Prehistoric Past as 'Caveman Masher (uncredited)'.Charlie ChaplinCharlie Chaplin was 25 in His Prehistoric Past as 'Writer, Director, Editor'Frank D. WilliamsFrank D. Williams was 21 in His Prehistoric Past as 'Director of Photography'
Mack SennettMack Sennett was 34 in His Prehistoric Past as 'Producer'