![Debbie Thureson]()
Debbie Thureson
Nancy
Acting

Jackson Bostwick
Mark O'Brien
Acting

Jackie Coogan
Lester Tile
Acting
![Connie Hunter]()
Connie Hunter
Mary Sylvester
Acting
![Ted Hayden]()
Ted Hayden
Frank Sylvester
Acting

Garry Goodrow
Sgt. Parsons
Acting

Carel Struycken
The Monster
Acting

Eric Edwards
Misha (uncredited)
Acting

Arcadia Lake
Sasha (uncredited)
Acting

John Leslie
Marco (uncredited)
Acting