Humphrey Bogart in Argument!... or Disagreement!... or Quarrel!... or Dispute!... or...

CONFLICT

1945

Directed by Curtis Bernhardt

Written by Robert Siodmak, Alfred Neumann, Arthur T. Horman, and Dwight Taylor

Spoilers: moderate (or a touch more than moderate, but, anyway, not high)

"All women are rivals, fundamentally" (so which one's Joan Fontaine?)

THE DARK MIRROR

1946

Directed by Robert Siodmak

Written by Nunnally Johnson and Vladimir Pozner

Spoiler alert: moderate