Henry Hite

~ as ~

Frank Douglas as a Monster

Phil Morton

~ as ~

Col. Steve Connors

Lois Brooks

~ as ~

Dr. Nora Kramer (unconfirmed)

Rork Stevens

~ as ~

Robert Simons

~ as ~

Peter M. Thompson

~ as ~

Dr. Chris Manning

June Travis

~ as ~

Ruth

George Perry

~ as ~

Aviva Crane

~ as ~

Stranded Motorist

Stu Taylor

~ as ~

Kelly, the truck driver