Stars who were on X Files

So I have been going back through and watching all of the X Files series and I noticed that there are a lot of celebrities that make appearances either before or after they hit it big. Here is a list of a few that I have noticed.
Ryan Reynolds
Seth Green
Mark Sheppard
Shia LaBeouf
Giovanni Ribisi
Jack Black
Felicity Huffman
Jewel Staite
Lucy Liu
BD Wong
Piper Maru
Michael Buble
Tobin Bel
Jodie Foste
Wille Garson
Kathy Griffin
Tony Shalhoub
Jewel Staite
Ed Asner
Lily Tomlin
Jesse Ventura
Bruce Cambell