Richard Levinson Creator, Writer William Link Creator, Writer Peter Falk Lt. Columbo Actor Robert Culp Investigator Brimmer Guest Star Pat Crowley Mrs. Lenore Kennicutt Guest Star Ray Milland Arthur Kennicutt Guest Star Brett Halsey Ken Archer Guest Star Eric James R.J. Denning Guest Star Don Keefer Medical Examiner Guest Star Len Wayland Capt. Of Detectives Guest Star Lieux Dressler Ceil Gentry Guest Star Barbara Baldavin Brimmer's Secretary Guest Star Bernard L. Kowalski Director