MacReady

Kurt Russell

Acting

Childs

Keith David

Acting

Blair

Wilford Brimley

Acting

Nauls

T.K. Carter

Acting

Palmer

David Clennon

Acting

Dr. Copper

Richard Dysart

Acting

Norris

Charles Hallahan

Acting

Bennings

Peter Maloney

Acting

Clark

Richard Masur

Acting

Garry

Donald Moffat

Acting

Fuchs

Joel Polis

Acting

Windows

Thomas G. Waites

Acting

Norwegian

Norbert Weisser

Acting

Norwegian Passenger with Rifle

Larry Franco

Production

Helicopter Pilot

Nate Irwin

Crew

Pilot

William Zeman

Acting

The Thing (uncredited)

Jed

Acting

Norwegian (video footage) (uncredited)

John Carpenter

Directing

Computer (voice) (uncredited)

Adrienne Barbeau

Acting