My Mum’s Best Friend tells the story of Sally, an openly lesbian, mature single woman living with her 18 year old daughter, Natalia. Sally’s young, blonde lover Natalie suddenly has some competition when Sally befriends Marlyn, a newly divorced woman looking for sexual thrills and curious about lesbian sex.
| Actor | Role |
|---|---|
 Sally TaylorNot listed | Not listed |
 Natalia ForrestNot listed | Not listed |
 Cate HarringtonNot listed | Not listed |
 Marlyn LindsayNot listed | Not listed |
 Natalie SteelNot listed | Not listed |