Diagnosis: Unknown Unlikely Source (Season 1, Episode 3)
TV Episode | 49 min | Drama

Diagnosis: Unknown

Unlikely Source (Season 1, Episode 3)

TV Episode | 49 min | Drama

A hospital in Walkerton, Ontario is flooded with patients with the same alarming symptoms. All suffer from fever, nausea and gastrointestinal problems. Health officials suspect water contamination, but the Public Utilities Commission (PUC)...See moreA hospital in Walkerton, Ontario is flooded with patients with the same alarming symptoms. All suffer from fever, nausea and gastrointestinal problems. Health officials suspect water contamination, but the Public Utilities Commission (PUC) reports that the water is safe. The next day, 20 more patients are admitted with the same symptoms. See less

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Cast	+ Add Cast
69 cast members

Name	Known for
Anne Abraham Actress Actress See fewer	Desert Warrior (1988)
Rachel Abraham Actress Actress See fewer	Critical Rescue (2003)
Tyler Allen Actor Actor See fewer	Critical Rescue (2003)
John Baker Actor Actor See fewer	Critical Rescue (2003)
Beth Ballen Actress Actress See fewer	Diagnosis: Unknown (2002)
Thomas Bird Actor Actor See fewer	Diagnosis: Unknown (2002)
Ken Blalock Actor Actor See fewer	Diagnosis: Unknown (2002)
John Blankenship Actor Actor See fewer	Suck it Up Buttercup (2014)
John Bracciale Actor Actor See fewer	Diagnosis: Unknown (2002)
John Burnor Actor Actor See fewer	Diagnosis: Unknown (2002)
Dedee Carner Actress Actress See fewer	Diagnosis: Unknown (2002)
Rita Marie Carr Actress Actress See fewer	Beyond Reason (1985)
Tully Carr Actor Actor See fewer	Diagnosis: Unknown (2002)
Lydia Casey Actress Actress See fewer	Diagnosis: Unknown (2002)
Dan Chater Actor Actor See fewer	Into the Woods (2014)
Robert Claud Actor Actor See fewer	Diagnosis: Unknown (2002)
Greg Cool Actor Actor See fewer	The Town (2010)
Laura Doherty Actress Actress See fewer	Diagnosis: Unknown (2002)
Jennifer Donovan Actress Actress See fewer	Diagnosis: Unknown (2002)
Shayla Edwards Actress Actress See fewer	Diagnosis: Unknown (2002)
Kyle Flaherty Actor Actor See fewer	Diagnosis: Unknown (2002)
Lynn Jane Foreman Actress Actress See fewer	Diagnosis: Unknown (2002)
W. Jeffery Frizzell Actor (as Jeff Frizzell) Actor (as Jeff Frizzell) See fewer	Mission: Impossible III (2006)
Garret Gatz Actor Actor See fewer	Diagnosis: Unknown (2002)
Erin Gillroy Sick Kid Sick Kid See fewer	Critical Rescue (2003)
Elaine Goeke Actress Actress See fewer	Diagnosis: Unknown (2002)
Noelle Graff Actress Actress See fewer	Diagnosis: Unknown (2002)
Dylan Graham Actor Actor See fewer	Diagnosis: Unknown (2002)
Jeffrey Gypson Actor Actor See fewer	Diagnosis: Unknown (2002)
Susan Hardegen Actress Actress See fewer	Diagnosis: Unknown (2002)
Alexandra Holland Actress Actress See fewer	Diagnosis: Unknown (2002)
Marc Hormuth Actor (as Mark Hormuth) Actor (as Mark Hormuth) See fewer	The Box (I) (2009)
David Houston Actor Actor See fewer	Diagnosis: Unknown (2002)
Nancy Howard Actress Actress See fewer	Diagnosis: Unknown (2002)
Brooke Hughes Actress Actress See fewer	Diagnosis: Unknown (2002)
Jamie Hughes Actor Actor See fewer	Diagnosis: Unknown (2002)
Austin Kershaw Actor Actor See fewer	Diagnosis: Unknown (2002)
Thom Kikot Narrator Narrator See fewer	Batman v Superman: Dawn of Justice (2016)
Madeline La Rossa Actress Actress See fewer	Diagnosis: Unknown (2002)
Matthew Leiden Actor Actor See fewer	Diagnosis: Unknown (2002)
Ryan LeTempt Actor Actor See fewer	Diagnosis: Unknown (2002)
Donna Luzzi Actress Actress See fewer	Critical Rescue (2003)
Christine Maurer Actress Actress See fewer	Diagnosis: Unknown (2002)
Tiffany McCormick Actress Actress See fewer	Diagnosis: Unknown (2002)
Jim Meisner Jr. Delivery man Delivery man See fewer	NetForce (1999)
John Miller Actor Actor See fewer	Diagnosis: Unknown (2002)
Dave Olsen Actor Actor See fewer	Diagnosis: Unknown (2002)
Chris Orozco Actor Actor See fewer	Diagnosis: Unknown (2002)
Kim Perrot Actress Actress See fewer	Diagnosis: Unknown (2002)
Barry Price Actor Actor See fewer	The Shepherd
Tyler Ridgeway Actor Actor See fewer	Diagnosis: Unknown (2002)
Stacie Robbins Actress Actress See fewer	Diagnosis: Unknown (2002)
Steve Robbins Actor Actor See fewer	Diagnosis: Unknown (2002)
Scott Rollins Store employee Store employee See fewer	Evan Almighty (2007)
Audrey Sandhoff Actress Actress See fewer	Diagnosis: Unknown (2002)
Sophie Sellars Actress Actress See fewer	Diagnosis: Unknown (2002)
Alex Smith Actor Actor See fewer	Diagnosis: Unknown (2002)
Sierra Smith Actress Actress See fewer	Diagnosis: Unknown (2002)
Karen Spencer Actress Actress See fewer	Diagnosis: Unknown (2002)
Macy Spencer Actress Actress See fewer	Diagnosis: Unknown (2002)
Chelsea Stroud Actress Actress See fewer	Critical Rescue (2003)
Heather Tuttle Actress Actress See fewer	Diagnosis: Unknown (2002)
Brenda Van Dorn Cathy Reich Cathy Reich See fewer	A Haunting (2005)
Victoria Van Dorn Actress Actress See fewer	Diagnosis: Unknown (2002)
Mariella Vigneux Actor Actor See fewer	Diagnosis: Unknown (2002)
Bruce Vrooman Actor Actor See fewer	Diagnosis: Unknown (2002)
Rob Waddell Actor Actor See fewer	Diagnosis: Unknown (2002)
Cameron Yost Actor Actor See fewer	Diagnosis: Unknown (2002)
Marian Yost Actress Actress See fewer	Diagnosis: Unknown (2002)