Mark Lindsay Chapman
Richard Armour
Susan Blakely
Layla
Lisa Blount
Cindy
Brion James
Alien Leader
Earl Boen
Sid
Geoffrey Lewis
Prof. Alan Jeffries
Catherine Mary Stewart
Angela Taylor
Nicole Eggert
Elyse Jeffries
Paul Brinegar
Pops
Barry Pearl
Eddie
Channing Chase
Susan Weiss
Glen Vernon
Henry Evans
Biff Yeager
FBI Agent #1
Toni Attell
Patti
Rodger LaRue
Man in Coat
Greg Collins
Policeman
Al Pugliese
Agent #2
John Durbin
Trucker
Barbara Townsend
Celia Evans
Richard Partlow
FBI Agent #2
James R. Parkes
Policeman
Stanley Bennett Clay
Cammie
Lola Fisher
Nervous Lady
Robert Beaulieu
Nervous Man
Martin Clark
Coroner
Jerry Boyd
Agent #1
Helen Anderson
Female Airline Agent
William Jackson
Airline Supervisor
Gary Burden
Bum
Julie Harris
Girl
Walter G. Zeri
Agent
