On screen
Cast
4 credited performers
William Ross
Yoshimura / Red Bamboo captain / newspaper editor / Red Bamboo guard (voices)
Carole Wyand
Dayo / itako / Kane / Shobijin (voices)
Cliff Harrington
Nita / Red Bamboo scientist / policeman (voices)
Burr Middleton
Red Bamboo commander / Ichino / Infant Islander / Fisheries Association president / reporter / radio announcer (voices)