William MacDonald

Biography

William MacDonald is a prolific Canadian actor and producer known for extensive work in television, film, and over 80 theatrical productions. He is recognized for roles in Riverdale, The Good Doctor, Supergirl (Dr. Kaplan), and The Flash (Gene Huskk). He is frequently confused with fellow Canadian actor Bill MacDonald, as both share similar credits and guest-star in similar procedural dramas.

Filmography

• Supernatural (2005)
• The Good Doctor (2017)
• Smallville (2001)
• The X-Files (1993)
• Riverdale (2017)
• The Last of Us (2023)
• Psych (2006)
• The Night Agent (2023)
• Tracker (2024)
• Quantum Leap (1989)
• Stargate Atlantis (2004)
• MacGyver (1985)
• I Will Find You (2026)
• Stargate Universe (2009)
• Resident Alien (2021)
• Sliders (1995)
• Travelers (2016)
• The Outer Limits (1995)
• Stick (2025)
• Upload (2020)
• Tru Calling (2003)
• The Listener (2009)
• The Terror (2018)
• Republic of Doyle (2010)
• Hemlock Grove (2013)
• Viper (1994)
• Poltergeist: The Legacy (1996)
• Slither (2006)
• Romeo Must Die (2000)
• The Captive (2014)