Stephen Joseph Cannell was an American television producer, writer, novelist, and occasional actor, and the founder of Cannell Entertainment and the Cannell Studios.
After starting his career as a television script writer, Cannell created or co-created several dozen successful TV series from the 1970s to the 1990s, often with his creative partner Frank Lupo. Cannell's creations included The Rockford Files, The A-Team, The Greatest American Hero, 21 Jump Street, and The Commish. He also wrote novels, notably the Shane Scully mystery series.
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