There"ll probably be a few raised eyebrows with this nomination but the performance of Briditte Bardot in "La Verite" (The Truth) was outstanding and probably her most accomplished acting role. Proved beyond doubt that she was more than a mere "sex kitten".
https://youtu.be/CejcRKSwaq0...
Not forgetting the classic British kitchen sink drama performances of
Laurence Harvey : Room at the Top
Simone Signoret : Room at the Top
Tom Courtney : The Loneliness of the Long Distance Runner
Albert Finney: Saturday Night Sunday Morning
Richard Harris : This Sporting Life
Not necessarily the best but performances that I've enjoyed and stuck in my memory include:
Burt Lancaster : Atlantic City
Burt Lancaster : The Swimmer
Harry Dean Stanton : Paris Texas
Al Pacino : Dog Day Afternoon
Jean Reno : Leon
Meryl Streep : Sophie's Choice
Kevin Kline : Sophie's Choice...