Richard Armour

Mark Lindsay Chapman

Angela Taylor

Catherine Mary Stewart

Layla

Susan Blakely

Cindy

Lisa Blount

Alien Leader

Brion James

Sid

Earl Boen

Professor Alan Jeffries

Geoffrey Lewis

Angela Taylor

Catherine Stewart

Elyse Jeffries

Nicole Eggert

Pops

Paul Brinegar

Eddie

Barry Pearl

Celia Evans

Barbara Townsend

Susan Weiss

Channing Chase

Christopher

Christopher Johnston

Henry Evans

Glen Vernon

FBI Agent #2

Richard Partlow

FBI Agent #2

Richard 'Rick' Partlow

1st FBI Agent

Biff Yeager

Patty

Toni Attell

Policeman

James R. Parkes

Man in Coat

Rodger LaRue

Cammie

Stanley Bennett Clay

Policeman

Greg Collins

Agent #2

Al Pugliese

Nervous Lady

Lola Fisher

Trucker

John Durbin

Airline Supervisor

William Jackson

Nervous Man

Robert Beaulieu

Bum

Gary Burden

Coroner

Martin Clark

Girl

Julie Harris

Agent #1

Jerry Boyd

Female Airline Agent

Helen Anderson

Agent

Walter G. Zeri