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 Bert Freed Mr. Dennison Guest Star Eddie Hanley Guest Star Lenore Shanewise Elmira Guest Star Alma Murphy Susan Guest Star Jan Arvan Poppa Guest Star Bella Bruck Momma Guest Star Charles Seel Elderly Man Guest Star Joey Scott Jerry Guest Star Nydia Westman Elderly Woman Guest Star Joe Connelly Producer, Writer Bob Mosher Producer, Writer George Tibbles Writer Joseph Pevney Director