Orson_Welles
One of Hollywoods greatest directors. He also starred in many of his films and wrote the scripts, frequently employing the talents of the Mercury Theatre company. He is also reknowned for the scare created by his 1938 radio production of The War of the Worlds
His works as an actor/director include:
*Citizen Kane
*The Magnificent Ambersons
*Touch of Evil
*The Lady from Shanghai
*The Trial
In addition, he also acted in
*The Third Man
Please see naming conventions. Remember, titles of movies are often the titles of other things; e.g., "The Trial" is a novel first and foremost; "Macbeth" is a play first and foremost.