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