The X-Files: I Want to Believe

David Duchovny

Fox Mulder

Gillian Anderson

Dana Scully

Amanda Peet

Dakota Whitney

Billy Connolly

Joseph Crissman

Xzibit

Mosley Drummy

Mitch Pileggi

Walter Skinner

Callum Keith Rennie

Janke Dacyshyn

Adam Godley

Father Ybarra

Nicki Aycox

Cheryl Cunningham

Alex Diakun

Gaunt Man

?

Fagin Woodcock

Franz Tomczeszyn

?

Marco Niccoli

Christian Fearon

Carrie Ruscheinsky

Margaret Fearon

Spencer Maybee

Blair Fearon

Veronika Hadravá

Female Assistant