20 December: today's birthdays

• ​Giulio Ciccone - Italian road racing cyclist
• Ashley Cole - English footballer
• Alain de Botton - Swiss writer, philosopher, journalist, and television presenter. He wrote Essays in Love, How Proust Can Change Your Life, and The Architecture of Happiness
• Jonah Hill - American actor, comedian, and screenwriter
• John Hillerman - American actor, born John Benedict Hillerman. He is best known for his role as Jonathan Quayle Higgins III on the television show Magnum, P.I.
• Kim Ki-duk - South Korean film director and screenwriter. He directed the film Un Certain Regard 
• Todd Phillips - American film director and screenwriter, born Todd Bunzl. He is best known for having directed The Hangover trilogy and Joker.
  In 2020 he was nominated for Best Director, Best Picture and Best Adapted Screenplay for the movie Joker.
• Cora Sandel - Pen name of Sara Cecilia Görvell Fabricius, Norwegian writer
• Sion Sono - Japanese film director, screenwriter, author, and poet. He directed Suicide Club, Strange Circus, and Himizu
• John Spencer - American actor
• Jan Toorop - Dutch painter born in the Netherlands East Indies