Doppelgänger (1969)

DIRECTOR: Robert Parrish

Filming Locations:

Unconfirmed locations:

Eurosec headquarters building.

LOCATION:
Neptune House
BBC Elstree Studios,
Borehamwood,
Hertfordshire

The nursing home in the final scenes

LOCATION:
Heatherden Hall
Pinewood Studios,
Iver Heath,
Buckinghamshire