凯尔·麦克拉克伦
Kyle MacLachlan
饰：Jesse Marcel
马丁·辛
Martin Sheen
饰：Townsend
德怀特·尤科姆
Dwight Yoakam
饰：Mac Brazel
山德·贝克利
Xander Berkerley
饰：Sherman Carson
鲍勃·冈顿
Bob Gunton
饰：Frank Joyce
金·格雷斯特
Kim Greist
饰：Vy Marcel
彼特·麦尼科
Peter MacNicol
饰：Lewis Rickett
约翰
John M. Jackson
饰：Colonel Blanchard
尼克·西塞
Nick Searcy
饰：Mortician
J.D. Daniels
饰：Young Jesse Marcel, Jr.
查尔斯·哈拉汉
Charles John Hallahan
饰：Older Pilot MacIntire
雷·迈克金农
Ray McKinnon
饰：Deputy Joe Pritchard
尤金·罗奇
Eugene Harrison Roche
饰：James Forrestal
查尔斯·马丁·史密斯
Charles Martin Smith
饰：Sheriff Wilcox
道格·维特
Doug Wert
饰：Older Jesse Marcel, Jr.
Cynthia Allison
饰：TV Commentator
Hoke Howell
饰：Bar Vet
Bruce Ed Morrow
饰：General
William Edwards
饰：Alien Clown (as William Edwards)
Layne Beamer
饰：Soldier
麦克斯·特鲁姆鲍维尔
Max Trumpower
饰：Gate Guard
Mik Scriba
Mik Scriba
饰：Air Mechanic
马特·兰德斯
Matt Landers
饰：Lt. Walter Haut
George Gray III
饰：Deputy
Stephen C. Foster
饰：Gate MP
Dave Adams
饰：Provost Marshal
Bill Cook
饰：Jeep Driver
J.W. 'Corkey' Fornof
饰：Pilot
Charles Beck
饰：Pilot
Randy Gagne
饰：Pilot
Matthew Faison
Matthew Faison
饰：General Ramey
John Hostetter
John Hostetter
饰：Colonel DuBose
迈克尔·博夫舍维尔
Michael Bofshever
饰：Irving Newton
David Selburg
David Selburg
饰：Station Manager
Doug McCurry
饰：Arresting MP
Charles M. Kistler
饰：Interrogator #1
Daiton Rutkowski
饰：Interrogator #2
F·威廉·帕克
F. William Parker
饰：Older Stanton
Jonathan Mincks
饰：Younger Stanton
Peter Radon
Peter Radon
饰：Melvin Brown
Gary Bullock
Gary Bullock
饰：Eavesdropper
Jim Hayne
饰：Harris
Mark Phelan
饰：Gate Guard
Steve Lanza
Steve Lanza
饰：Outside Doctor
Arthur L. Kopit
饰：Inside Doctor
Michael Strasser
Michael Strasser
饰：Hospital MP
唐·费舍尔
Don Fischer
饰：Outdoor MP
Denice Marcel
饰：Waitress
丽莎·华尔兹
Lisa Waltz
饰：Janet Foss
约翰·马洪
John Mahon
饰：Red Hat Vet
Stanley Grover
饰：Straw Hat Vet
Warren Munson
Warren Munson
饰：Yellow Hat Vet
Hansford Rowe
饰：Chaplain
理查德·凡西
Richard Fancy
饰：Doctor
Paul Davids
饰：Photographer
菲利普·贝克·霍尔
Philip Baker Hall
饰：Roswell General
劳伦斯·多布金
Lawrence Dobkin
饰：General (as Larry Dobkin)
Edward Penn
饰：Civilian Advisor
阿瑟·希勒
Arthur Hiller
饰：Scientist #1
Brian Carpenter
Brian Carpenter
饰：Scientist #2
George Pentecost
饰：Business Advisor
帕利·贝尔
Parley Baer
饰：Civilian Advisor
布鲁斯·加里
Bruce Gray
饰：Admiral
Frank A. Roys
饰：General
Vernon Blackman
饰：Aide
布莱恩·考辛斯
Brian Cousins
饰：Medical Officer
罗伯特·哈维
Robert Harvey
饰：Admiral
Jaime Campos
饰：Soldier (uncredited)
阿瑟·科皮特
Arthur Kopit
饰：演员 Actor/Actress
Will Huston
饰：'Alien Clown',(as William Edwards)
马克·费伦
Mark Phelan
饰：Gate Guard