• 
  Alf Kjellin

  regizor

• 
  Richard Levinson

  scenarist

• 
  Peter Falk

  Lt. Columbo
• 
  JoAnna Cameron

  Lorna McGrath
• 
  John Ashton

  Calvin MacGruder
• 
  David Sheiner

  Ray
• 
  Antoinette Bower

  Frances Galesko
• 
  Tom Signorelli

  Doctor

• 
  Don Gordon

  Alvin Deschler
• 
  Vito Scotti

  Thomas Dolan
• 
  Dick Van Dyke

  Paul Galesko
• 
  Larry Storch

  Mr. Weekly
• 
  Joyce Van Patten

  Sister of Mercy
• 
  Harvey Gold

  Harry Lewis
• 
  Thom Carney

  Manager

• 
  Alice Backes

  Mrs. Moyland
• 
  Adrian Ricard

  DMV Clerk
• 
  Michael Strong

  Sgt. Hoffman
• 
  Bill Zuckert

  Capt. Sampson

• 
  Everett Chambers

  producător
• 
  Edward K. Dodds

  producător asociat
• 
  William Cronjager

  imagine
• 
  Ronald LaVine

  montaj
• 
  Dean Hargrove

  producător executiv
• 
  Roland Kibbee

  producător executiv
• 
  Bernardo Segall

  coloană sonoră
• 
  Bill McLaughlin

  decoruri