Dean is probably best known for his nine seasons playing Langly, one of the computer geeks known as The Lone Gunmen from The X-Files. He also starred in the The X-Files spin-off series The Lone Gunmen.
His character is so popular that Dean is a main attraction at X-File and Sci-Fi conventions all over North America. He appears on trading cards, T-Shirts and even has his own comic book (The Lone Gunman published by Dark Horse Comics).
A long-time comedy improviser, Dean got his start with the likes of Ryan Stiles and Colin Mochrie (Whose Line Is it Anyway?) in the internationally award-winning Vancouver TheatreSports League.
He now regularly performs in Los Angeles with The Groundlings and Second City.
Dean performs his special blend of stand-up and improv, headlining at comedy clubs and colleges across North America. He has performed in and hosted at Montreal's world famous Just for Laughs festival.
He is a favourite host of award shows (Entertainment Media Awards, California Independent Film Festival, Armenian Independent Film Festival) and writes and performs for corporations such as Coca Cola, Hewlard Packard, Apple Computers and Mitsubishi.
His home comedy club is the world famous The Improv in Los Angeles, where he can be seen most weeks.
Dean maintains a successful acting career in film and television. His television credits include roles in the series VIP Pamela Anderson; Home Improvement; The Commish; Sliders; Honey, I Shrunk the Kids; the animated series Robocop and The Big Guy.
His feature film credits include The X-Files: Fight the Future Radio Free Steve; Design of Darkness; Rice Girl; and the animated feature film Tom Sawyer.
Dean Haglund trained at Simon Fraser University, where he received a Bachelors degree in Fine and Performing Arts.