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 Roger Perry Ted Bradley Guest Star Don Edmonds Frank Colson Guest Star Dick Wilson Al Guest Star Dave Willock Harry Guest Star Jan Barthel Linda Guest Star Jack Coogan Jr. Guest Star Ezra Stone Director James Allardice Writer Tom Adair Writer