Richard Levinson Creator William Link Creator Peter Falk Lt. Columbo Actor, Executive Producer Tyne Daly Dolores Guest Star Greg Evigan Harold McCain Guest Star Frank McRae Lt. Robertson Guest Star Don S. Davis Bertie Guest Star León Singer Fernando Guest Star Michael Gregory Mr. Hacker Guest Star Steve Forrest Big Fred Guest Star Stephen Liska Casino Manager Guest Star G.F. Smith Salesman Guest Star Carol Swarbrick Casino Waitress Guest Star Ed McCready Ed Guest Star John Petlock Medical Examiner Guest Star Joel Beeson Clyde Guest Star Jackson Gillis Writer Vincent McEveety Director