• 
  Jack Klugman

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

  Danny Tovo
• 
  Tony Dow

  Dr. Curtis
• 
  Anita Gillette

  Dr. Emily Hanover
• 
  Robert Ito

  Sam Fujiyama
• 
  Nicky Katt

  Jeff Rayano (as Nick Katt)
• 
  Paul Lambert

  Judge
• 
  Michele Marsh

  Virginia 'Ginny' Rayano

• 
  Pepper Martin

  Ed Rayano
• 
  Murray Moston

  Harry McNeil
• 
  John S. Ragin

  Dr. Robert Asten
• 
  Joseph Roman

  Sgt. Brill
• 
  Leonard Stone

  Mr. Myers
• 
  Paul Valentine

  George Carlton Ward
• 
  Garry Walberg

  Lt. Frank Monahan