Concentrate and Ask Again
Show: Fringe --> Season: 3 - Season 3
AirDate: 2/4/2011
Runtime: 43
Voting: 7.5 (22)

Overview: When a scientist falls dead after ingesting a lethal cloud of blue powder and his bones disintegrate in his body, the CDC suspects a biological attack. As the Fringe Team investigates further, a subject from Walter's past with ties to Olivia reluctantly agrees to assist with the intense case.
Omid Abtahi
Simon Philips
JR Bourne
Agent Edwards
Jody Thompson
Sara Downey
Paul Jarrett
Warren Blake
Richard Keats
Don
Ian Robison
George
Sylvesta Stuart
Dillon
Carlos Diaz
Randall
Anna Van Hooft
Assistant
Kevin Corrigan
Sam Weiss
Duncan Spencer
Agent Harrison
Adam Beauchesne
Waiter
Alexandra Castillo
Dr. Alexandra Castro
Natalie Gibson
Grace
Matthew MacCaull
Vannoy
Emmanuel Matovu
SWAT
Judith Maxie
Hospital Administrator
Tyler McMaster
SWAT
Todd Scott
Aaron Downey
Aaron Isaacs
Security
Richard Stroh
Security
Greg Webb
Dick