Alistair (played by Patrick Olliver) is a protagonist in Bloodstream.
Nikki (played by Jacqueline Logan) appears in Bloodstream.
Judy (played by Caroline MacDowell) appears in Bloodstream.
Simon (played by Steven Longhurst) appears in Bloodstream.
William King (played by Mark Wells) appears in Bloodstream.
Greg (played by Colin Efford) appears in Bloodstream.
Actress (played by Marina Bolton) appears in Bloodstream.
Lisa (played by Samantha Page) appears in Bloodstream.
