Richard Levinson Creator William Link Creator Peter Falk Lt. Columbo Actor Patrick Bauchau Max Barsini Guest Star Fionnula Flanagan Louise Guest Star Shera Danese Vanessa Barsini Guest Star Isabel García Lorca Julie Guest Star Vito Scotti Vito Guest Star George Coe Dr. Sydney Hammer Guest Star David Byrd Ralph Guest Star Don Bovingloh Customer Guest Star Lenny Hicks Morgue Attendant Guest Star Danny Hassel Lifeguard Guest Star Roger Etienne Night Visitor Guest Star Harold Harris Harry Chudnow Guest Star Don Schneider Bystander at Beach Guest Star Richard Alan Simmons Executive Producer Robert Sherman Writer James Frawley Director