Richard Levinson Creator William Link Creator Peter Falk Lt. Columbo Actor Jack Cassidy Riley Greenleaf Guest Star John Davis Chandler Eddie Kane Guest Star Mickey Spillane Alan Mallory Guest Star Mariette Hartley Eileen McRae Guest Star Jacques Aubuchon Jeffrey Neal Guest Star Gregory Sierra Lou D'Allessandro Guest Star Alan Fudge David Chase Guest Star Paul Shenar Sgt. Young Guest Star Jack Bender Wolpert Guest Star Ted Gehring Security Guard Guest Star Vern Rowe Restaurant Manager Guest Star Lew Palter Lab Technician Guest Star George Brenlin Locksmith Guest Star J.S. Johnson Palmer Guest Star Dean Hargrove Executive Producer Roland Kibbee Executive Producer Peter S. Fischer Writer Robert Butler Director