"Crime under the microscope. Introducing Police chemist Gordon McKay."
Van Heflin stars as the head of a city crime lab who tries to solve the murder of the town mayor by scientifically analyzing evidence.
Fred ZinnemannDirector
Gordon McKay
Jane Mitchell
Gerald I. Ladimer
Mayor Daniels
Captain Lynch
Eddie Wright
Matty
Bessie Wright (as Catherine Lewis)
Mrs. Daniels
Boy in Car (uncredited)
Chris Spyro - Cook (uncredited)
Miss Huser - Mayor's Secretary (uncredited)
Pierre - Headwaiter (uncredited)
Suspect (uncredited)
Taggart - Third Politician (uncredited)
Rosson - Detective Grilling Eddie (uncredited)
Police Chief Spencer (uncredited)
Reporter (uncredited)
Allison Stacy (uncredited)
Keenan - Detective Grilling Eddie (uncredited)
Clemence - First Politician (uncredited)
Henchman Collecting from Eddie (uncredited)
Forsythe - Second Politician (uncredited)
Mack - Detective (uncredited)
Restaurant Proprietor (uncredited)
Steve - Detective (uncredited)
Novak - Detective Grilling Eddie (uncredited)
