Madame Sin (1972)

Bette Davis is Madame Sin, a sinister-looking, totally evil, half-Chinese woman who indulges in endless machinations. Ensconced in a Scottish castle that is packed with an array of spy gadgetry, she runs afoul with counter spy, American C.I.A. Agent Anthony Lawrence (Robert Wagner), who is out to counter her plots for control of a Polaris submarine.

Madame Sin is an action movie featuring Bette Davis and directed by David Greene.

Madame Sin is currently streaming for free (ad-supported) on Crackle, Plex, Plex Player, Shout! Factory TV, The Roku Channel and Tubi TV and it's also available on fuboTV.

It is also possible to buy Madame Sin on Amazon Video.