On screen
Cast
31 credited performers
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
Artwork unavailable
Barbara Townsend
Celia Evans
Channing Chase
Susan Weiss
Glen Vernon
Henry Evans
Artwork unavailable
Richard Partlow
FBI Agent #2
Biff Yeager
FBI Agent #1
Toni Attell
Patti
Artwork unavailable
James R. Parkes
Policeman
Rodger LaRue
Man in Coat
Stanley Bennett Clay
Cammie
Greg Collins
Policeman
Artwork unavailable
Lola Fisher
Nervous Lady
Artwork unavailable
Robert Beaulieu
Nervous Man
Al Pugliese
Agent #2
Artwork unavailable
Martin Clark
Coroner
John Durbin
Trucker
Artwork unavailable
Jerry Boyd
Agent #1
Artwork unavailable
Helen Anderson
Female Airline Agent
Artwork unavailable
William Jackson
Airline Supervisor
Artwork unavailable
Gary Burden
Bum
Artwork unavailable
Julie Harris
Girl
Artwork unavailable
Walter G. Zeri
Agent