Five vacationers and two crewmen become stranded on a tropical island near the equator. The island has little edible food for them to use as they try to live in a fungus covered hulk while repairing Kessei's yacht. Eventually they struggle over the food rations which were left behind by the former crew. Soon they discover something unfriendly there...

Kenji Murai - Professor

Mami Sekiguchi - Singer

Naoyuki Sakuta - Skipper

Senzô Koyama - Sailor

Masafumi Kasai - Owner

Akiko Sôma - Student

Doctor (as Jirô Kumagai) (uncredited)

Police Personnel (uncredited)

Police Personnel (uncredited)

Matango

Skulking Transitional Matango (uncredited)
August 11, 1963

Kenji Murai - Professor

Mami Sekiguchi - Singer

Naoyuki Sakuta - Skipper

Senzô Koyama - Sailor

Masafumi Kasai - Owner

Akiko Sôma - Student

Doctor (as Jirô Kumagai) (uncredited)

Police Personnel (uncredited)

Police Personnel (uncredited)

Matango

Skulking Transitional Matango (uncredited)
