Dorothy Isabel May Foster (14 February 1908 – 5 July 1981) was an Australian radio producer, comedy scriptwriter and actress.

[1] Later at 3AW "Dilly" became a comedian on the "Shell Show" which was recorded each week in front of a live Melbourne audience.

[2] Foster had heard of a successful British comedy act named "Gert and Daisy" who were created by Elsie and Doris Waters.

[3] "Dilly" Dorothy Foster married, for the second time, a wool buyer named Robert Gray Nicolson in 1939.

The stars of the show included comedians Jack Davey, `Mo’ (Roy Rene) and Willie Fennell.