• 
  Jack Klugman

  Dr. R. Quincy, M.E.
• 
  Val Bisoglio

  Danny Tovo
• 
  Carmine Caridi

  Rocco
• 
  Don Eitner

  Howard Tyler
• 
  Robert Ito

  Sam Fujiyama
• 
  Roy Jenson

  Jake Hennafy
• 
  Shelly Novack

  Ben Stager
• 
  Judson Pratt

  Antrim

• 
  Bill Quinn

  Dr. Paul Wiesbarth
• 
  John S. Ragin

  Dr. Robert Asten
• 
  Joseph Roman

  Sgt. Brill
• 
  Mews Small

  Stella (as Marya Small)
• 
  Garry Walberg

  Lt. Frank Monahan
• 
  Robert Walker Jr.

  Peter Thorwald (as Robert Walker)
• 
  Darrell Zwerling

  Frazier