William "Biff" McGuire (October 25, 1926 – March 9, 2021) was an American actor, best known as Inspector Kramer in Nero Wolfe (1979).

• Serpico (1973)

  
• The Thomas Crown Affair (1968)

  
• The Phenix City Story (1955)

  
• The Heart Is a Lonely Hunter (1968)

  
• In the Matter of Karen Ann Quinlan (1977)