Dan Callahan has appeared in 13 movies.
These include The Anniversary, The Mothman Prophecies, Pathology, Madhouse, Untraceable, The Ugly Truth, A-X-L, Undiscovered, Walk of Shame, Gamer, Crank: High Voltage, Spider-Man 2 and Spider-Man 3.Dan Callahan has appeared in 1 TV Series.
These include Degrassi.