Главные персонажи
Dana Scully
Gillian Anderson
Fox Mulder
David Duchovny
Walter Skinner
Mitch Pileggi
John Doggett
Robert Patrick
CGB Spender
William B. Davis
Одинокие стрелки
Melvin Frohike
Tom Braidwood
John Fitzgerald Byers
Bruce Harwood
Richard 'Ringo' Langly
Dean Haglund
Семья Скалли
Captain William Scully
Don S. Davis
Margaret Scully
Sheila Larken
Melissa Scully
Melinda McGraw
Bill Scully Jr.
Pat Skipper
Emily Sim
Lauren Diewold
Семья Малдера
William Mulder
Peter Donat
Mrs. Teena Mulder
Rebecca Toolan
Young Samantha Mulder
Vanessa Morley
Служащие ФБР
Elvin Kersh James Pickens Jr.
Scott Blevins Charles Cioffi
Joseph McGrath Frederick Coffin
Jeffrey Spender Chris Owens
Diana Fowley Mimi Rojers
Danny Pendrell Brendan Beiser
Arthur Dales Darren McGavin
Информаторы
Deep Throat Jerry Hardin
Mister X Stiven Williams
Richard Matheson Raymond Barry
Marita Covarrubias Lory Holden
Michael Kritschgau John Finn
Dr. Alvin Kurtzweil Martin Landau
Консорциум
Cigarette-Smoking Man Willam B.Davis
Alex Krycek Nicholas Lea
Well-Manicured Man
1st Elder
Conrad Strughold
Ben Bronshweig
Victor Klemper
Louis Cardinale
Crew Cut Man
Gray Haired Man
Quiet Willy
Scott Ostelhoff
Alien Bounty Hunter
Cassandra Spender
Oilien
Инопланетяне и клоны