Dana Scully
John Doggett
Monica Reyes
Walter Skinner
John Fitzgerald Byers
Melvin Frohike
Richard 'Ringo' Langly
Morris Fletcher
Jimmy Bond
Yves Adele Harlow / Lois Runce
Kimmy the Geek
John Gillnitz
Medical Examiner
Professor Douglas Houghton
Leonard Southall
Brittany
First Man
Big Security Guard
Speaker
Fox Mulder (archive footage) (uncredited)
The Hidden Force (uncredited)
Mr. X (archive footage) (uncredited)