Frequently plays a neurotic New Yorker
Frequently casts himself, Diane Keaton, Mia Farrow
Frequently casts Judy Davis. and Scarlett Johansson,
A lot of his movies feature at least one character who is a writer. This is often Woody himself.
Nearly all of his films start and end with white-on-black credits, set in the Windsor typeface, set to jazz music, without any scrolling.
Films his dialog using long, medium-range shots instead of the typical intercut close-ups
His films are almost all set in New York City
His characters (that he plays himself) are often a semi-famous, semi-successful film/tv writer, director, or producer... or a novelist
His thick black glasses, the same type since the 1960s
From Stardust Memories (1980) through Melinda and Melinda (2004), frequently and almost exclusively employs Dick Hyman to contribute musical arrangements, incidental music, and piano accompaniment.
From Sleeper (1973) until Cassandra's Dream (2008), almost never has his movies scored, preferring to use selections from his vast personal record collection.
Billing his actors alphabetically on opening credits
His films often include opening Narration or the protagonist talking directly to the audience
His female characters are often free spirited but naive and often come from small town backgrounds
References to famous writers and literary classics
References to classic Films, particularly the works of Ingmar Bergman
Brooklyn Accent
Stumbling and nervous delivery
Often bases films on his own life experiences
His unchanging nebbish persona
Short stature
Reddish hair