Double Exposure is the fourth episode of the third season of Columbo and the twenty-first episode overall. It first aired on December 16, 1973 and was directed by Richard Quine. In addition to Peter Falk as Lieutenant Columbo, the episode stars Robert Culp, Chuck McCann and Louise Latham.
Peter Falk as Lieutenant Columbo.
Robert Culp as Dr. Bart Keppel, a motivational research expert, blackmailer and ultimately killer who uses his innovative subliminal cut technique to commit his crimes.
Chuck McCann as Roger White, a lowly projectionist who works for Dr. Keppel.
Louise Latham as Mrs. Norris, Vic's wife who Dr. Keppel tries to frame.
Robert Middleton as Vic Norris, a businessman targeted for Dr. Keppel for blackmail and later murder.
Arlene Martel as Tanya Baker, a model who appears in several of Keppel's advertising films and also seduces his clients as part of the blackmail scheme.
Francis De Sales, Ann Driscoll and E.A. Sirianni as Patterson, Mrs. Halstead and Norbert respectively, some of Dr. Keppel's clients.
Dennis Robertson as Detective Marley.
John Milford, Harry Hickox and Manuel DePina as detectives.
Danny Goldman as the press photographer.