William Lyman (born May 20, 1948) is an American actor. Being known for his polished, resonant voice, Lyman has narrated the PBS series Frontline since its second season in 1984 and played William Tell in the action/adventure television series Crossbow.

• A Perfect Murder (1998)

  
• What Doesn't Kill You (2008)

  
• Frontline: Hunting Bin Laden (2001)

  
• Hull High (1990)

  
• Frontline (1983)