Kevin Bacon
Valentine McKee

Fred Ward
Earl Bassett

Finn Carter
Rhonda LeBeck

Michael Gross
Burt Gummer

Reba McEntire
Heather Gummer

Victor Wong Chi-Keung
Walter Chang

Robert Jayne
Melvin Plug

Ariana Richards
Mindy Sterngood

Charlotte Stewart
Nancy Sterngood

Tony Genaro
Miguel

Richard Marcus
Nestor

Bibi Besch
Megan - The Doctor's Wife

Conrad Bachmann
Jim - The Doctor

Sunshine Parker
Edgar

Michael Dan Wagner
Old Fred

John Goodwin
Howard - Roadworker

John Pappas
Carmine - Roadworker

Frank Welker
Graboids (uncredited)

Tom Woodruff Jr.
Graboids (uncredited)