• 
  Bernard L. Kowalski

  regizor

• 
  Peter S. Fischer

  scenarist

• 
  Peter Falk

  Columbo
• 
  Robert Conrad

  Milo Janus
• 
  Gretchen Corbett

  Jessica Conroy
• 
  Eric Mason

  Fred
• 
  Collin Wilcox Paxton

  Ruth Stafford
• 
  Jude Farese

  Al Murphy

• 
  Philip Bruns

  Gene Stafford
• 
  J.R. Clark

  Harry Lassiter (as J. R. Clark)
• 
  Manuel DePina

  Photographer
• 
  Pat Harrington Jr.

  Buddy Castle
• 
  Victor Izay

  Medical Examiner
• 
  Ernesto Macias

  Fred (as Eric Mason)
• 
  Raymond O'Keefe

  Sgt. Rickets

• 
  Dennis Robertson

  Jerry
• 
  Mel Stevens

  Dr. Freeman
• 
  Darrell Zwerling

  Lewis D. Lacey

• 
  Larry Cohen

  o poveste de