Jeanne Moreau in Ascenseur Pour L’Echafaud (Louis Malle, 1958)
Nominated by @AshesOfTheSoul and @maisrienisboss.
Cary Grant and Rosalin Russell in His Girl Friday (Howard Hawks, 1940)
Suggested by @aalanester.
Stephen Lack in Scanners (David Cronenberg, 1981)
Thanks to @baznut for this one.
Jean-Pierre Leaud in La Maman Et La Putain (Jean Eustache, 1973)
Thanks to @Ninotchka91.
Gena Rowlands in Love Streams (John Cassavetes, 1984)
@ashesofthesoul suggested this one too.
Alec Guinness in The Ladykillers (Alexander Mackendrick, 1955)
Nominated by @MrSnowgarden.
Anna Karina in Vivre Sa Vie (Jean-Luc Godard, 1962)
This was my pick.
Anna Magnani in L’Amore (Roberto Rossellini, 1948).
Nominated by @JHPCine.
Ben Gazzara in The Killing Of A Chinese Bookie (John Cassavetes, 1976).
Nominated by @MovieNut14.
Dorothee in L’Amour En Fuite, (Francois Truffaut, 1979)
Thanks again to @Ninotchka91.