The Flatshare -

: Tiffy's best friends (a lawyer and a therapist, respectively) who are skeptical of the flatshare and help her recognize Justin's abuse.

: Tiffy's manipulative and controlling ex-boyfriend who continues to intrude on her life throughout the story. The Flatshare

: A quiet, reserved hospice nurse who is deeply dedicated to his family and patients. : Tiffy's best friends (a lawyer and a