Belinda Giblin

Sue Belinda Giblin (born 2 March 1950) professionally billed as Belinda Giblin, is an Australian actress who has played prominent roles in theatre and television soap operas, and several feature films.

Giblin's television roles include Kay Webster in The Box (1974-1975); Sister Sue Marriott in The Sullivans (1977–1978); and Alison Carr in Sons and Daughters (1985-1987). She has also had two stints in Home and Away, first briefly as Cynthia Ross in 1991, then as a more long term role of Martha Stewart, the long-presumed-dead wife of Alf Stewart, a role she played on a recurring basis from 2018 to 2022.

Early life Giblin was born in Tamworth, New South Wales to Phyllis and Ted. She has two older brothers Ted Jnr. and Graham, and a younger sister Allison. Her father Ted was a doctor at the Tamworth Base Hospital. Her mother ran the dramatic society, and acted and directed in productions.

Giblin later recalled that her first stage role was playing Buttons in Cinderella, a school play. "It was the first in a string of boy roles I played throughout my childhood." She was offered a scholarship to the Australian Ballet School when she was 17, but chose to study arts at the University of Sydney. She then studied at the National Institute of Dramatic Art, before leaving after a year to practise her craft. In 2015 she told Cassie Tongue at AussieTheatre.Com that 'the first professional acting work I did was playing young boy roles for ABC radio.' originally played by Rowena Wallace. Giblin was cast in the role because of her resemblance to Wallace.

Giblin featured in numerous series made by Crawford Productions, over a 12-year period early in her career. These included Matlock Police,

Since 2013, she has also guest starred in The Horizon, a gay shortform web series on YouTube, as Wilma (the drag queen's) mother.

In 2015, Giblin received acclaim and a nomination for Best Actress at the Sydney Theatre Awards for her role as Stella Goldschlag in Blonde Poison in a range of performances across Australia. The Gail Lowe play is a one-woman show about a Jewish woman who became a Nazi collaborator during World War II.

On 9 February 2026, Giblin was named in the cast for the Australian tour for Steel Magnolias.

Giblin also works as a corporate trainer.