William Stadiem (born 1947) is an American non-fiction author who has written or ghost-written several biographies and autobiographies, mostly about the "golden age" of Hollywood, and restaurants. He also contributes to various magazines, and is an occasional screenwriter. Stadiem was formerly a lawyer at Sullivan & Cromwell in Wall Street before becoming the restaurant critic of Los Angeles (magazine). Stadiem was also a columnist for Andy Warhol's Interview magazine.^[1] Stadiem has also written for The Daily Beast, the American Town & Country (magazine), The Tatler, Vanity Fair (magazine), Harpers & Queen, The Telegraph Magazine, and The Financial Times.^[2]

Stadiem has written or co-written screenplays for the following films and television series:

• A Business Affair (1994)
• Young Toscanini (1988)
• Pentathlon (1994)
• Trade Secrets a.k.a. Flagrant désir (1986)
• L.A. Law (1986-1994)
• JFK (Garrison Script on which subsequent screenwriters modelled their scripts)(1991) ^[3]

• Madam Claude: Her Secret World Of Pleasure, Privilege, and Power (2018)
• The Auctioneer: Adventures In The Art Trade(MAY 2016) with Simon de Pury
• Jet Set (2014)
• Daughter Of The King (2014) with Sandra Lansky
• Moneywood (2013)
• A Class By Themselves (1980)
• Too Rich (1991)
• Marilyn Monroe Confidential (1979, 1983) with Lena Pepitone
• Lullaby And Good Night (1987) with Vincent Bugliosi.
• Madam 90210 (1993) with Alex Adams
• MR. S (2003, 2004) with George Jacobs
• Dear Senator (2009) with Essie Mae Washington-Williams
• Everybody Eats There (2007) with Maria Gibbs