As always, we'll keep this first post updated with whatever potential nominees get mentioned in the thread below.
And please don't forget to specify whether the performance is leading or supporting.
Note: Films and names in blue are those with multiple mentions.
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BEST ACTRESS
Ali: Fear Eats the Soul - Brigitte Mira
Alice Doesn't Live Here Anymore - Ellen Burstyn
Alice in the Cities - Yella Rottlander
The Autobiography of Miss Jane Pittman - Cicely Tyson
Celine and Julie Go Boating - Dominique Labourier
Celine and Julie Go Boating - Julie Berto
Chinatown - Faye Dunaway
Dirty Mary, Crazy Larry - Susan George
Foxy Brown - Pam Grier
Homebodies - Paula Trueman
Inserts - Veronica Cartwright
Lenny - Valeria Perrine
The Mouth Agape - Monique Mélinand
The Night Porter - Charlotte Rampling
Swept Away - Mariangela Melato
A Woman Under the Influence - Gena Rowlands
BEST SUPPORTING ACTRESS
Alice Doesn't Live Here Anymore - Diane Ladd
The Apprenticeship of Duddy Kravitz - Micheline Lanctot
Blazing Saddles - Madeline Kahn
Caged Heat - Barbara Steele
Celine and Julie Go Boating - Bulle Ogier
Company Limited - Sharmila Tagore
Garm Hava - Gita Siddarth
The Godfather: Part II - Diane Keaton
The Godfather: Part II - Talia Shire
La prima Angelica - María Clara Fernández de Loaysa
Madhouse - Adrienne Corri
Murder on the Orient Express - Ingrid Bergman
Murder on the Orient Express - Lauren Bacall
Phantom of the Paradise - Jessica Harper
The Taking of Pelham One Two Three - Doris Roberts
A Woman Under the Influence - Katherine Cassavetes
Young Frankenstein - Teri Garr
Young Frankenstein - Cloris Leachman