Sheridan Smith as Lisa Lynch

Paul Nicholls as Pete Lynch

Rebekah Staton as Gabby

Michael Maloney as Ian McFarlane

Susannah Fielding as Abigail

Stephanie Vogt as Sara

Tom Hutch as Jack

Haydn Gwynne as Jane McFarlane

Chrissie Cotterill as Nurse

Silas Carson as Professor Kefah Mokbel

Orla Fitzgerald as Mary - Chemo Nurse

Marcus Griffiths as Pete's Colleague

Jamie Baughan as Sam

Peter Landi as Anaesthetist

Michael Heath as Wig Man

Naomi Ryan as Wig Shop Girl

Candida Gubbins as Tanning Salon Woman

Janette Legge as Hotel Woman

Tom Cotcher as Hotel Man

Thusitha Jayasundera as Therapist

Amy Strange as Ellie