John Ritter Jack Tripper Actor Joyce DeWitt Janet Wood Actor Priscilla Barnes Terri Alden Actor Richard Kline Larry Dallas Actor Jacque Lynn Colton Guest Star Pamela Dunlap Guest Star Gwen Humble Guest Star Michael Ross Executive Producer Bernie West Executive Producer George Burditt Executive Producer Martin Rips Producer Joseph Staretski Producer George Sunga Producer Dave Powers Director Shelley Zellman Writer