[1] Biscoe won a classical singing scholarship after making an unscheduled appearance at the St Mary's College annual eisteddfod.
Biscoe was a finalist in the Starflight International talent quest of the Australian television show, Bandstand, competing for an overseas trip and a recording contract.
[1] Biscoe gained fame in her adopted home of Adelaide when she regularly appeared on the Nine Network children's show, Here's Humphrey (1965–2008), which she hosted from September 1970.
In October 1980 she promoted wearing seat belts for children in a TV ad campaign by the Road Safety Council in South Australia.
[5] During the early 1990s, Biscoe was parodied by Adelaide comedian Glynn Nicholas, who played Paté Biscuit on the Australian Broadcasting Corporation television comedy show, The Big Gig.