Your IMDb only states the Sullivan's is only one season 1976-77. According to Wikipedia the show ran from 1976 to 1983 and ran for 16 seasons with 1114 episodes.Loved Vivien Gray as Mrs Jessop. Lorraine Bayly (Grace Sullivan)
Lorraine Bayly is one of Australia's most celebrated actors, with a career spanning five decades. For a generation of TV viewers around the world, Lorraine will always be remembered as the matriarch of the Sullivan clan, despite staying with the show for less than half its run. She is also a familiar face on television thanks to her years presenting Play School and for the role of lawyer Jennifer Carson of Carson's Law, a serial created by Crawford Productions especially for her. Lorraine is also a prolific and highly respected stage actor and was one of the founders of the Ensemble Theatre in Sydney. When she retired from the stage in 2003 the restaurant at the Ensemble Theatre was renamed "Bayly's" in her honour. Lorraine made a triumphant return to acting in August 2007 in the play Rabbit Hole.
Lorraine Bayly is one of Australia's most celebrated actors, with a career spanning five decades. For a generation of TV viewers around the world, Lorraine will always be remembered as the matriarch of the Sullivan clan, despite staying with the show for less than half its run. She is also a familiar face on television thanks to her years presenting Play School and for the role of lawyer Jennifer Carson of Carson's Law, a serial created by Crawford Productions especially for her. Lorraine is also a prolific and highly respected stage actor and was one of the founders of the Ensemble Theatre in Sydney. When she retired from the stage in 2003 the restaurant at the Ensemble Theatre was renamed "Bayly's" in her honour. Lorraine made a triumphant return to acting in August 2007 in the play Rabbit Hole.