She is best known for the television roles in sitcom Hey Dad!, Gemma Ramsay in Neighbours, and Susan Croydon in Blue Heelers.
Major storylines included becoming a school teacher; attempting to take the blame when drugs were planted in her and Tom's home; and losing her baby as a result of a hit-and-run targeted at her father.
Film roles have included Newsfront, Fluteman, A Good Thing Going, Fortress (1986) – based on the Faraday School kidnapping – The Rogue Stallion, and The King.
Buchanan also played the title character in Peter Long's short A Telephone Call for Genevieve Snow (2000).
[2] Buchanan has also worked alongside her former partner, Raimondo Cortese, performing in numerous stage plays he has written, both in Australia and internationally.