Ed Harris

Virgil 'Bud' Brigman

Mary Elizabeth Mastrantonio

Lindsey Brigman

Michael Biehn

Lieutenant Hiram Coffey

Leo Burmester

Catton ‘Catfish’ De Vries

Todd Graff

Alan 'Hippy' Carnes

John Bedford Lloyd

Jammer Willis

Kimberly Scott

Lisa 'One Night' Standing

Chris Elliott

Bendix

J.C. Quinn

Arliss 'Sonny' Dawson

Pierce Oliver Brewer, Jr.

Lew Finler

George Robert Klek

Wilhite

Christopher Murphy

Schoenick

Adam Nelson

Ensign Monk

Dick Warlock

Dwight Perry

Jimmie Ray Weeks

Leland McBride

J. Kenneth Campbell

DeMarco

Peter Ratray

Captain

Michael Beach

Barnes

Ken Jenkins

Gerard Kirkhill

Michael Chapman

Dr. Berg

William Wisher

Bill Tyler

Wendy Gordon

Anchorwoman

Paula Cross

Young Woman

Emily Yancy

Woman Reporter

Joe Farago

Anchorman

Marcus K. Mukai

Anchorman #2

Thomas F. Duffy

Construction Worker

Chris Anastasio

Truck Driver

Tom Isbell

Wave Reporter

Mikhail Gorbachev

Self (archive footage) (uncredited)

Frank Lloyd

Navigator