Richard Irving Director, Executive Producer Peter Falk Columbo Actor Lee Grant Leslie Williams Actor John Fink Michael Clark Actor Harold Gould Agent Carlson Actor Patricia Mattick Margaret Williams Actor Paul Carr Hammond Actor Jed Allan Phil Actor Charles Macaulay Richard Actor Dean Hargrove Screenwriter, Producer Lionel Lindon Cinematographer Edward M. Abroms Film Editing Billy Goldenberg Original Music John J. Lloyd Art Director Bert Allen Set Decoration