Barrett appeared in the 1965 William Hartnell story The Rescue, playing the roles of both Bennett and Koquillion. The story was released on DVD earlier this year.
Ray Barrett was a popular leading men on British television in the 1960s, appearing in such programmes as Emergency - Ward 10 and The Troubleshooters as well as providing some of the voices in the popular series Thunderbirds.
In later years, Barrett returned to his native Australia where he made a string of television appearances in series such as Something In The Air, All Saints and White Collar Blue.
His last film appearance was in Baz Luhrmann's Australia.
He died from a brain haemorrhage early Tuesday morning.