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William Sierra

Acting Born Aug 11, 1957 Tampa, Florida, USA 107 credits
107
Total Credits
2026
46 Years Career Span
4
Vault Titles
0
Key Co-Stars

Biography

William Sierra works in acting. Born August 11, 1957 in Tampa, Florida, USA. Archytele tracks 107 screen credits across canonical film and television databases.

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Ask anything about William Sierra.

Known for

Shurato

as Bill Alfonso (Manager)

Raw

as Bill Alfonso

WWF Wrestling Challenge

as Bill Alfonzo

Mid-Atlantic Championship Wrestling

as Bill Alfonso (Referee)

Career timeline

GCW: Joey Janela's Spring Break X
The Ref Didn’t See It!
Battleground Championship Wrestling Presents ECW Reunion Show: A Tribute To The Extreme 2
The WRLD on GCW
Battleground Championship Wrestling
WrestleCade Supershow 2019
Barbed Wire City: The Unauthorized Story of Extreme Championship Wrestling
WWE: Undertaker 20-0 - The Streak
WWE: Blood Sport ECW - The Most Violent MatchesECW: Bloodsport The Most Violent Matches
Hardcore Homecoming
MLW Rise of The RenegadesMLW War GamesMLW Hybrid Hell
WWA The Revolution
ECW: The Best of Cactus JackECW Hardcore HistoryMECW Inaugural Show
ECW: Extreme EvolutionECW Guilty as Charged 2000ECW Heat Wave 2000ECW Anarchy Rulz 2000ECW Path of Destruction
ECW Hardcore Heaven 1999ECW Living Dangerously 1999ECW Crossing The Line 1999ECW Heat Wave 1999ECW House Party 1999
ECW It Ain't SeinfeldECW November To Remember 1998ECW House Party 1998ECW Living Dangerously 1998ECW Wrestlepalooza 1998
ECW Hardcore Heaven 1997ECW As Good As It GetsECW Born To Be WiredECW Wrestlepalooza 1997ECW Barely Legal 1997
ECW Big Ass Extreme Bash 1996ECW Massacre on Queens BLVDECW The Doctor Is In 1996ECW Hardcore Heaven 1996ECW House Party 1996
ECW Holiday Hell 1995ECW Hardcore Heaven 1995ECW Enter the Sandman 1995ECW Gangstas Paradise 1995ECW November to Remember 1995
WWE Bloopers Bleeps and BodyslamsBret "Hit Man" Hart
RawWWE Bashed in the USA
WWF Wrestling Challenge
Mid-Atlantic Championship Wrestling

Full Filmography

107 titles
  • GCW: Joey Janela's Spring Break X (2026) as Bill Alfonso
  • The Ref Didn’t See It! (2025) as Bill Alfonso
  • Battleground Championship Wrestling Presents ECW Reunion Show: A Tribute To The Extreme 2 (2024) as Bill Alfonso
  • The WRLD on GCW (2022) as Bill Alfonso
  • Battleground Championship Wrestling (2021) as Bill Alfonso
  • WrestleCade Supershow 2019 (2019) as Bill Alfonso
  • Barbed Wire City: The Unauthorized Story of Extreme Championship Wrestling (2013) as Himself
  • WWE: Undertaker 20-0 - The Streak (2012) as Bill Alfonso - Referee (archive footage)
  • WWE: Blood Sport ECW - The Most Violent Matches (2006)
  • ECW: Bloodsport The Most Violent Matches (2006) as Bill Alfonso
  • Hardcore Homecoming (2005) as Bill Alfonso (Manager)
  • MLW Rise of The Renegades (2003)
  • MLW War Games (2003) as Bill Alfonso
  • MLW Hybrid Hell (2003) as Bill Alfonso (Manager)
  • WWA The Revolution (2002) as Bill Alfonso
  • ECW: The Best of Cactus Jack (2001) as Bill Alfonso
  • ECW Hardcore History (2001) as Bill Alfonso (Referee)
  • MECW Inaugural Show (2001)
  • ECW: Extreme Evolution (2000) as Bill Alfonso (Manager)
  • ECW Guilty as Charged 2000 (2000) as Bill Alfonso (Manager)
  • ECW Heat Wave 2000 (2000) as Bill Alfonso (Manager)
  • ECW Anarchy Rulz 2000 (2000) as Bill Alfonso (Manager)
  • ECW Path of Destruction (2000) as Bill Alfonso (Manager)
  • ECW Fan Cam: September 9, 2000 (2000) as Bill Alfonso (Manager)
  • ECW Living Dangerously 2000 (2000) as Bill Alfonso
  • ECW Fan Cam: January 27, 2000 (2000) as Bill Alfonso
  • ECW Fan Cam: June 3, 2000 (2000) as Bill Alfonso (Manager)
  • ECW Fan Cam: August 25, 2000 (2000) as Bill Alfonso (Manager)
  • ECW Hardcore Heaven 1999 (1999) as Bill Alfonso (Manager)
  • ECW Living Dangerously 1999 (1999) as Bill Alfonso (Manager)
  • ECW Crossing The Line 1999 (1999) as Bill Alfonso
  • ECW Heat Wave 1999 (1999) as Bill Alfonso
  • ECW House Party 1999 (1999) as Bill Alfonso
  • ECW November to Remember 1999 (1999) as Bill Alfonso (Manager)
  • ECW CyberSlam 1999 (1999) as Bill Alfonso (Manager)
  • ECW Fan Cam: February 6, 1999 (1999) as Bill Alfonso (Manager)
  • ECW Guilty as Charged 1999 (1999) as Bill Alfonso
  • ECW Anarchy Rulz 1999 (1999) as Bill Alfonso (Manager)
  • ECW Fan Cam: October 23, 1999 (1999) as Bill Alfonso (Manager)
  • ECW Fan Cam: December 17, 1999 (1999) as Bill Alfonso (Manager)
  • ECW Fan Cam: January 30, 1999 (1999) as Bill Alfonso (Manager)
  • ECW Fan Cam: May 29, 1999 (1999) as Bill Alfonso (Manager)
  • ECW Fan Cam: October 15, 1999 (1999) as Bill Alfonso (Manager)
  • ECW It Ain't Seinfeld (1998) as Bill Alfonso (Manager)
  • ECW November To Remember 1998 (1998) as Bill Alfonso (Manager)
  • ECW House Party 1998 (1998) as Bill Alfonso
  • ECW Living Dangerously 1998 (1998) as Bill Alfonso
  • ECW Wrestlepalooza 1998 (1998) as Bill Alfonso
  • ECW CyberSlam 1998 (1998) as Bill Alfonso (Manager)
  • ECW A Matter of Respect 1998 (1998) as Bill Alfonso (Manager)
  • ECW Heat Wave 1998 (1998) as Bill Alfonso
  • The Best of Shane Douglas (1998) as Bill Alfonso (Manager)
  • ECW Fan Cam: March 7, 1998 (1998) as Bill Alfonso (Manager)
  • The Best of The Eliminators (1998) as Bill Alfonso (Manager)
  • ECW Fan Cam: September 17, 1998 (1998) as Bill Alfonso (Manager)
  • ECW Hardcore Heaven 1997 (1997) as Bill Alfonso (Manager)
  • ECW As Good As It Gets (1997) as Bill Alfonso
  • ECW Born To Be Wired (1997) as Bill Alfonso
  • ECW Wrestlepalooza 1997 (1997) as Bill Alfonso (Manager)
  • ECW Barely Legal 1997 (1997) as Bill Alfonso (Manager)
  • ECW Fan Cam: March 22, 1997 (1997) as Bill Alfonso (Manager)
  • ECW November to Remember 1997 (1997) as Bill Alfonso (Manager)
  • ECW Heat Wave 1997 (1997) as Bill Alfonso (Manager)
  • ECW Fan Cam: May 2, 1997 (Barely Legal II) (1997) as Bill Alfonso (Manager)
  • ECW Fan Cam: April 4, 1997 (1997) as Bill Alfonso (Manager)
  • ECW Fan Cam: February 14, 1997 (1997) as Bill Alfonso (Manager)
  • ECW Fan Cam: May 16, 1997 (1997) as Bill Alfonso (Appearance)
  • ECW Fan Cam: May 3, 1997 (1997) as Bill Alfonso (Manager)
  • ECW Fan Cam: October 31, 1997 (1997) as Bill Alfonso (Manager)
  • ECW Big Ass Extreme Bash 1996 (1996) as Bill Alfonso
  • ECW Massacre on Queens BLVD (1996) as Bill Alfonso (Manager)
  • ECW The Doctor Is In 1996 (1996) as Bill Alfonso
  • ECW Hardcore Heaven 1996 (1996) as Bill Alfonso
  • ECW House Party 1996 (1996) as Bill Alfonso (Manager)
  • ECW November to Remember 1996 (1996) as Bill Alfonso
  • ECW A Matter of Respect 1996 (1996) as Bill Alfonso (Manager)
  • ECW Just Another Night 1996 (1996) as Bill Alfonso
  • ECW Fan Cam: July 28, 1996 (1996) as Bill Alfonso
  • ECW Big Apple Blizzard Blast (1996) as Bill Alfonso
  • ECW Hostile City Showdown 1996 (1996) as Bill Alfonso
  • ECW Fan Cam: May 10, 1996 (1996) as Bill Alfonso (Manager)
  • ECW Holiday Hell 1996 (1996) as Bill Alfonso
  • ECW Natural Born Killaz (1996) as Bill Alfonso (Manager)
  • ECW Ultimate Jeopardy 1996 (1996) as Bill Alfonso
  • ECW High Incident (1996) as Bill Alfonso (Manager)
  • ECW CyberSlam 1996 (1996) as Bill Alfonso
  • ECW When Worlds Collide 1996 (1996) as Bill Alfonso
  • ECW: January 27, 1996 (1996) as Bill Alfonso (Appearance)
  • ECW Extreme Warfare Vol. 2 (1996) as Bill Alfonso
  • ECW Fan Cam: October 18, 1996 (1996) as Bill Alfonso (Manager)
  • ECW Fan Cam: November 23, 1996 (1996) as Bill Alfonso (Manager)
  • ECW Holiday Hell 1995 (1995) as Bill Alfonso (Manager)
  • ECW Hardcore Heaven 1995 (1995) as Bill Alfonso (Troubleshooting Referee)
  • ECW Enter the Sandman 1995 (1995) as Bill Alfonso (Troubleshooting Referee)
  • ECW Gangstas Paradise 1995 (1995) as Bill Alfonso (Troubleshooting Referee)
  • ECW November to Remember 1995 (1995) as Bill Alfonso
  • ECW Fan Cam: September 23, 1995 (1995) as Bill Alfonso (Referee)
  • ECW Barbed Wire, Hoodies and Chokeslams (1995) as Bill Alfonso (State Appointed Referee)
  • ECW Sunshine State Slaughter (1995) as Bill Alfonso (Troubleshooting Referee)
  • ECW Heat Wave 1995 (1995) as Bill Alfonso (Troubleshooting Referee)
  • ECW Mountain Top Madness (1995) as Bill Alfonso
  • WWE Bloopers Bleeps and Bodyslams (1994) as Bill Alfonso
  • Bret "Hit Man" Hart (1994) as Bill Alfonso
  • Raw (1993) as Bill Alfonso
  • WWE Bashed in the USA (1993) as Bill Alfonso
  • WWF Wrestling Challenge (1986) as Bill Alfonzo
  • Mid-Atlantic Championship Wrestling (1981) as Bill Alfonso (Referee)

Frequently Asked Questions

What movies or TV shows is William Sierra best known for?

William Sierra is widely recognized for notable roles and projects including Shurato (1989), Raw (1993), WWF Wrestling Challenge (1986), Mid-Atlantic Championship Wrestling (1981).

When and where was William Sierra born?

William Sierra was born on August 11, 1957 in Tampa, Florida, USA.

How many credits does William Sierra have?

William Sierra has accumulated over 107 film and television credits across a career spanning from 1981 to 2026.

What is William Sierra's background in cinema and television?

William Matthew Sierra is an American former professional wrestling referee and manager better known by his ring name Bill Alfonso. He achieved his greatest success in Extreme Championship Wrestling in the mid-to-late 1990s. He is well known for the whistle that was almost always hanging around his neck, which he blew ...