Giovanni Lambardo Radice和John Saxon是Vietman兽医，他们带回了传染性病毒，这种病毒在被咬时会把人变成食人族。
John Saxon
Norman Hopper
Elizabeth Turner
Jane Hopper
Giovanni Lombardo Radice
Charlie Bukowski
Cinzia De Carolis
Mary
Tony King
Tom Thompson
Wallace Wilkinson
Captain McCoy
May Heatherly
Helen
Ramiro Oliveros
Dr. Phil Mendez
Venantino Venantini
Lieutenant Hill
Renzo Pevarello
Hospital Assistant
Walter Patriarca
Mr. Philipps, Jane Hopper's guest at TV Station (uncredited)
John Geroson
Policeman
Ronnie Sanders
Orderly
Vic Perkins
Biker
