John Buffalo Mailer is an American author, playwright, actor, producer, and journalist. The youngest child of acclaimed novelist Norman Mailer and author Norris Church Mailer, he has written for prominent publications, including Playboy, New York Magazine, and The American Conservative. In addition to his journalism, Mailer has authored several plays, co-founded the New York theater company Back House Productions, and acted in various films, notably Wall Street: Money Never Sleeps.