John Ritter Jack Tripper Actor Joyce DeWitt Janet Wood Actor Suzanne Somers Chrissy Snow Actor Audra Lindley Helen Roper Actor Norman Fell Stanley Roper Actor Lauri Hendler Guest Star Lois Areno Guest Star Steve Shaw Guest Star Don Nicholl Executive Producer Michael Ross Executive Producer Bernie West Executive Producer Roger Shulman Producer John Baskin Producer Dave Powers Director Al Gordon Writer Jack Mendelsohn Writer