Lucille Ball Lucy RIcardo Actor Desi Arnaz Ricky Ricardo Actor Vivian Vance Ethel Mertz Actor William Frawley Fred Mertz Actor Mary Jane Croft Guest Star Frank Nelson Guest Star Bennett Green Guest Star Mildred Law Guest Star Ray Kellogg Guest Star Jess Oppenheimer Producer, Writer James V. Kern Director Madelyn Davis Writer Bob Carroll Jr. Writer Bob Schiller Writer Bob Weiskopf Writer