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Portrait of William Sierra

Acting

William Sierra

Career

Active from 1994 to 2025, with a break from 2013 to 2024, with up to 1 main title a year.

Leading roles
0
top three billing
Average score
Not enough ratings

Main genres

Select a genre to see those titles.

Recurring tags

    Works often with

    People in at least two of their main titles.

    Movies and TV shows

    103
    Type
    Role
    Score
    Decade
    Genre
    Group by

    2020s

    5 titles
    GCW: Joey Janela's Spring Break X
    GCW: Joey Janela's Spring Break X (2026)

    as Bill Alfonso

    The Ref Didn’t See It!
    The Ref Didn’t See It! (2025)

    as Bill Alfonso

    Battleground Championship Wrestling Presents ECW Reunion Show: A Tribute To The Extreme 2
    Battleground Championship Wrestling Presents ECW Reunion Show: A Tribute To The Extreme 2 (2024)

    as Bill Alfonso

    The WRLD on GCW
    The WRLD on GCW (2022)

    as Bill Alfonso

    Battleground Championship Wrestling
    Battleground Championship Wrestling (2021)

    as Bill Alfonso

    2010s

    2 titles
    WrestleCade Supershow 2019
    WrestleCade Supershow 2019 (2019)

    as Bill Alfonso

    WWE: Undertaker 20-0 - The Streak
    WWE: Undertaker 20-0 - The Streak (2012)

    as Bill Alfonso - Referee (archive footage)

    2000s

    17 titles
    Hardcore Homecoming
    Hardcore Homecoming (2005)

    as Bill Alfonso (Manager)

    MLW War Games
    MLW War Games (2003)

    as Bill Alfonso

    MLW Hybrid Hell
    MLW Hybrid Hell (2003)

    as Bill Alfonso (Manager)

    WWA The Revolution
    WWA The Revolution (2002)

    as Bill Alfonso

    ECW: The Best of Cactus Jack
    ECW: The Best of Cactus Jack (2001)

    as Bill Alfonso

    ECW Hardcore History
    ECW Hardcore History (2001)

    as Bill Alfonso (Referee)

    ECW Heat Wave 2000
    ECW Heat Wave 2000 (2000)

    as Bill Alfonso (Manager)

    ECW Guilty as Charged 2000
    ECW Guilty as Charged 2000 (2000)

    as Bill Alfonso (Manager)

    ECW Anarchy Rulz 2000
    ECW Anarchy Rulz 2000 (2000)

    as Bill Alfonso (Manager)

    ECW Living Dangerously 2000
    ECW Living Dangerously 2000 (2000)

    as Bill Alfonso

    ECW Fan Cam: August 25, 2000
    ECW Fan Cam: August 25, 2000 (2000)

    as Bill Alfonso (Manager)

    ECW Fan Cam: September 9, 2000
    ECW Fan Cam: September 9, 2000 (2000)

    as Bill Alfonso (Manager)

    1990s

    77 titles · average score 76
    ECW Hardcore Heaven 1999
    ECW Hardcore Heaven 1999 (1999)

    as Bill Alfonso (Manager)

    ECW Guilty as Charged 1999
    ECW Guilty as Charged 1999 (1999)

    as Bill Alfonso

    ECW Living Dangerously 1999
    ECW Living Dangerously 1999 (1999)

    as Bill Alfonso (Manager)

    ECW November To Remember 1998
    ECW November To Remember 1998 (1998)

    as Bill Alfonso (Manager)

    ECW Living Dangerously 1998
    ECW Living Dangerously 1998 (1998)

    as Bill Alfonso

    ECW As Good As It Gets
    ECW As Good As It Gets (1997)

    as Bill Alfonso

    ECW Barely Legal 1997
    ECW Barely Legal 1997 (1997)
    GoodWatch score 80

    as Bill Alfonso (Manager)

    ECW Hardcore Heaven 1997
    ECW Hardcore Heaven 1997 (1997)

    as Bill Alfonso (Manager)

    ECW November to Remember 1997
    ECW November to Remember 1997 (1997)

    as Bill Alfonso (Manager)

    ECW Hardcore Heaven 1995
    ECW Hardcore Heaven 1995 (1995)

    as Bill Alfonso (Troubleshooting Referee)

    Bret "Hit Man" Hart
    Bret "Hit Man" Hart (1994)

    as Bill Alfonso

    Raw
    Raw (1993)
    GoodWatch score 72

    TV show · as Bill Alfonso

    1980s

    2 titles
    WWF Wrestling Challenge
    WWF Wrestling Challenge (1986)

    TV show · as Bill Alfonzo

    Mid-Atlantic Championship Wrestling
    Mid-Atlantic Championship Wrestling (1981)

    TV show · as Bill Alfonso (Referee)