Beatrix's family say they are "gobsmacked" by the response, after she appeared on BBC show Casualty.
Shalisha James-Davis was told she was too young to have cancer, only for a large tumour to be found.
Amanda Mealing was involved in a three-vehicle crash near Hop Pole, Lincolnshire, in January 2024.
Three-year-old Bea is "thriving" after having a heart transplant at Newcastle's Freeman Hospital.
The star, who played Charlie Fairhead in the BBC One medical drama, is its longest-serving cast member.
Expletives were mistakenly shown before the watershed although the words were not audible on screen.
The instalment, called Thin Green Line, focuses on real-life pressures facing paramedics.
The episode will be unscripted to reflect the stresses and strains facing health staff.
Viewers will see characters pop up in other soaps, with a Hollyoaks actor appearing in EastEnders.