Which American film, Dragonslayer or Swiss Family Robinson, was shot outside London?
Swiss Family Robinson (1960 film): Swiss Family Robinson is a 1960 American Adventure film starring John Mills, Dorothy McGuire, James MacArthur, Janet Munro, Tommy Kirk and Kevin Corcoran in a tale of a shipwrecked family building an island home, loosely based on the 1812 novel "Der Schweizerische Robinson" (literally, "The Swiss Robinson") by Johann David Wyss. Swiss Family Robinson (1960 film):  The film was directed by Ken Annakin and shot in Tobago and Pinewood Studios outside London.
i don't know