Alfred E. Humphreys (9 August 1953 - 31 January 2018) was a Canadian actor. His breakthrough role was as the Deputy Lester in First Blood (1982), which starred Sylvester Stallone as Rambo. His other memorable roles include Howard Landers in My Bloody Valentine (1981) and William Drake in the blockbuster film X2 (2003). He also starred in two horror films directed by William Fruet: Funeral Home (1980) and Bedroom Eyes (1984). He also played supporting parts in such films as Act of Vengeance (1986), Ernest Rides Again (1993), Luna: Spirit of the Whale (2007) and Air Bud: Spikes Back (2003). In 2010, he appeared in Diary of a Wimpy Kid as Robert Jefferson, a role he would reprise in the films sequels Diary of a Wimpy Kid: Rodrick Rules (2011), Diary of a Wimpy Kid: Dog Days (2012), and Diary of a Wimpy Kid: Class Clown (2012).
Humphreys played numerous small guest roles in television shows, including the role of Dr. Pomerantz in the Sci-Fi show The X Files, as well as roles in The Twilight Zone (the 1985 and 2002 revivals), Smallville, Outer Limits, and Da Vinci's Inquest.