Fred Gwynne Herman Munster Actor Yvonne De Carlo Lily Munster Actor Al Lewis Grandpa Munster Actor Patrick Lilly Edward Wolfgang "Eddie" Munster Actor Pat Priest Marilyn Munster Actor Gary Owens Dick Willet Guest Star Penny Kunard Guest Star Frank Evans Bill Guest Star Don Dillaway Guest Star Nolan Leary Guest Star Debbie Butler Guest Star Sandra Ferra Guest Star Gail Ganley Guest Star Ezra Stone Director Lou Shaw Writer Joe Connelly Writer Bob Mosher Writer