Joseph E. Miller

饰：Bradley Gibbons

杰克·帕兰斯

Jack Palance

饰：Opening Narration,

David A. Yoakam

饰：The Creature,Tom Ross

Fred J. Lauver

饰：Hospital Security Guard

Brenda Moyer

饰：Diana Lewis,(as Brenda 'BJ' Moyer)

Deborah Lichtenfels

饰：Mrs. Lewis

Barbara Tutolo

饰：Karen White,(as Barbarajo McCabe)

Cry Wolf

饰：Band at Party