Doug McClure

Jim Hill

Ann Turkel

Dr. Susan Drake

Vic Morrow

Hank Slattery

Cindy Weintraub

Carol Hill

Anthony Pena

Johnny Eagle

Denise Galik

Linda Beale

Lynn Theel

Peggy Larson

Meegan King

Jerry Potter

Breck Costin

Tommy Hill

Hoke Howell

Deke Jensen

Don Maxwell

Dickie Moore

David Strassman

Billy

Greg Travis

Mike Michaels, Radio Announcer

Linda Shayne

Sandy, Miss Salmon

Lisa Glaser

Becky

Bruce Monette

Jake Potter

Amy Barrett

Amy

Shawn Erler

John, Hill Baby

Frank Arnold

Old Man

Jo Williamson

Self on Piano

Henry T. Williams

Bass

Lyle Isom

Banjo

Jonathan Lehan

Fiddle

Rob Bottin

Humanoid (uncredited)

Kent Adamson

Humanoid Killer (uncredited)

Steve Johnson

Humanoid (uncredited)

Larry Wessel

Humanoid Killer (uncredited)

William Martin

Screenplay

Martin B. Cohen

Producer

James Horner

Original Music Composer

Mark Goldblatt

Editor

Daniel Lacambre

Director of Photography

Steve Johnson

Makeup Effects

Peter Manoogian

Second Unit

Roger George

Special Effects

Chris Walas

Special Effects

Rob Bottin

Creature Design

Rowdy Herrington

Electrician

Roger Corman

Producer

Barbara Peeters

Director

Jimmy T. Murakami

Director

Gale Anne Hurd

Production Office Assistant

Jack Tyree

Stunt Coordinator

Diamond Farnsworth

Stunts