Dr. J. Allen Hynek

Aidan Gillen

Susie Miller

Ksenia Solo

Capt. Michael Quinn

Michael Malarkey

Mimi Hynek

Laura Mennell

Gen. James Harding

Neal McDonough

General Hugh Valentine

Michael Harney

Joel Hynek

Nicholas Holmes

Faye

Jill Morrison

Student

Deborah Trotchine

The Fixer / William

Ian Tracey

William Fairchild

Robert John Burke

Lieutenant Henry Fuller

Matt O'Leary

Daniel Banks

Jerod Haynes

Cal Miller

Currie Graham

Evan Blake

Keir O'Donnell

John Robert Burke

Edward Rizzuto

Michael Imperioli

John F. Kennedy

Caspar Phillipson

Daria

Sofia Milos

Donna Smith

Heather Doerksen

Duncan Booker

Zach McGowan