Daryl Hannah as Nancy Archer

Daniel Baldwin as Harry Archer

William Windom as Hamilton Cobb

Frances Fisher as Dr. Theodora Cushing

Cristi Conaway as Louise 'Honey' Parker

Paul Benedict as Dr. Victor Loeb

O'Neal Compton as Sheriff Denby

Victoria Haas as Deputy Charlotte 'Charlie' Spooner

Lewis Arquette as Mr. Ingersol

Kye Benson as Alien Woman #2

Xander Berkeley as Second Man

Linda Bisesti as Reporter

Hamilton Camp as Prospector Eddie

Richard Edson as Tony

Maud Winchester as Donna

Hilary Shepard as Nurse

Ben Cleaveland as Co-pilot #1

Hank Stratton as Co-Pilot #2

Barry Watson as Teen Boy