Michael Paré as David Herdeg

Nancy Allen as Allison Hayes

Eric Christmas as Dr. James Longstreet

Bobby Di Cicco as Jim Parker

Louise Latham as Pamela

Kene Holliday as Major Clark

Joe Dorsey as Sheriff Bates

Michael Currie as Magnussen

Stephen Tobolowsky as Barney

Gary Brockette as Adjutant / Andrews

Debra Troyer as Young Pamela

Miles McNamara as Young Longstreet

Ralph Manza as Older Jim

James Edgcomb as Officer Boyer

Glenn Morshower as Mechanic

Rodney Saulsberry as Doctor

Vivian Brown as Ma Willis

Stephanie Faulkner as TV Newscaster #1

Ed Bakey as Pa Willis

Michael Villani as TV Newscaster #2

Vaughn Armstrong as Cowboy

Bill Smillie as Evangelist

Lawrence Lott as Technician

Stephan O'Reilly as Punk Rocker

Clay Wilcox as Transvestite

Pat Dasko as Dry Wells Newscaster

Pamela Brull as Doris

Richard Jewkes as Technician

Pamela Doucette as Nurse

Michael Ruud as Truck Driver

Deborah E. Dixon as Nurse

Mary Lois Grantham as Mrs. Waite

Rick Schrand as Mandell

Brent S. Laing as Radar Technician

Patrick DeSantis as Jim Jr.

Charles Hall as Commander

David Michels as Commander

Raymond Kowalski as Radio Technician

Andrew McCartney as Technician

Anthony R. Nuzzo as Generator Technician

Robin Krieger as X-Ray Technician

Joe Moore as Commander's Buddy

Don Dolan as Driver

Jeffrey S. Smith as Sailor

Tony Farrell as Bandleader

Andrew Bracken as Dazed Sailor

Rudy Daniels as Policeman #1

Jay Bernard as Engineer

Steve Sachs as First Sailor

Bo Parnham as Radio Operator

Harry Beer as Second Sailor

Kerry Lee Maher as Radio Operator