Dean Haglund is a Canadian actor known for the role of Richard "Ringo" Langly, one of the Lone Gunmen on The X-Files and special guest host of Ghost Adventures Live. Haglund is also a stand-up comedian, specializing in improvisational comedy (formerly with Vancouver TheatreSports League.) In addition to The X-Files, he played the voice of Sid in Tom Sawyer, Haglund also portrayed Langly in the spin-off The Lone Gunmen, which aired thirteen episodes in 2001.
Haglund was born in Oakbank, Manitoba, Canada, the son of a structural engineer. He is the inventor of the Chill Pak, a commercial external cooling product for laptop computers.