William Forsythe, born June 7, 1955 in New York City, New York, USA, is an actor. He plays Philadelphia Jewish gangster Manny Horwitz in Boardwalk Empire. He is a guest star in the second and third seasons.

Forsythe has pedigree in the gangster genre and has previously played (among others):

  • Al Capone in the 1990s television version of "The Untouchables"
  • Philip 'Cockeye' Stein in Sergio Leone's gangster epic Once Upon a Time in America
  • Sammy "The Bull" Gravano in the HBO feature Gotti


Guest star

Season 2 credits
21 Ourselves Alone A Dangerous Maid What Does the Bee Do?
Gimcrack & Bunkum The Age of Reason Peg of Old Two Boats and a Lifeguard
Battle of the Century Georgia Peaches Under God's Power She Flourishes To the Lost
Season 3 credits
"Resolution" "Spaghetti and Coffee" "Bone for Tuna" "Blue Bell Boy"
"You'd Be Surprised" "Ging Gang Goolie" "Sunday Best" "The Pony"
"The Milkmaid's Lot" "A Man, A Plan..." "Two Imposters" "Margate Sands"
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