A fourth compilation of some of the best acting scenes and/or performances of all time. I know there are many missing. It is just a glimpse. Also, it is a subjective list, I don't claim it to be objectively correct, if there's such a thing.

List of appearing actors/actresses in chronological order:

Robin Williams - One Hour Photo
Denzel Washington - Flight
Felicity Huffman - Transamerica
Sean Penn - Dead Man Walking
Kōji Yakusho - Babel
Bill Murray - Groundhog Day
Bill Bolender - The Shawshank Redemption
Philip Seymour Hoffman - Boogie Nights
Christian Bale - The Machinist
Bérénice Bejo & Pauline Burlet - Le passé
Dustin Hoffman - Tootsie
Liv Ullmann - Persona
Hunter McCracken - The Tree of Life
Tom Cruise - Collateral
Michael Fassbender - Shame
Robert De Niro - Heat
Tom Hardy - Locke
Lee Byung-hun - I Saw the Devil
F. Murray Abraham - Amadeus
Martin Landau - Ed Wood
Kirsten Dunst & Charlotte Gainsbourg - Melancholia
Nick Nolte - The Thin Red Line
Billy Bob Thornton - Sling Blade
Kevin Spacey - American Beauty

Music: Jamin Winans - The City Surf
Giles Lamb - Boat