From The TV IV
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Grey Matters is the tenth episode of the second season of Fringe.
Starring: Anna Torv (Special Agent Olivia Dunham), Joshua Jackson (Peter Bishop), Lance Reddick (Special Agent Phillip Broyles), Blair Brown (Nina Sharp (credit only)), Jasika Nicole (Special Agent Astrid Farnsworth)
Special Appearance By: Leonard Nimoy (William Bell)
Co-Starring: Derek Anderson (Team Leader), Daniel Boileau (Thin Man), Lindsay Collins (Nurse #3), Vee Dubois (Nurse #2), Dee Jay Jackson (Security Guard), Ken Kramer (Mr. Rubel), Darryl Quon (Orderly), Donna Yamamoto (Deborah Crampton)