Danielle Macdonald as Millie Cantwell

Hugh Skinner as Max Thistlewaite

Joanna Lumley as Meghan Geoffrey-Bishop

Rebecca Benson as Rosa

Gary Lewis as Ramsay

Shazad Latif as Charlie

Ian Hanmore as Patrick

Bhav Joshi as Elliot

Saskia Ashdown as Eve

Sanjeev Kohli as Jimi

Christina Bennington as Juliet

Jo Cameron Brown as Juliet's Nurse

Vanessa Borrini as Vanessa

Margaret Fraser as Alexandra

Mark Weinman as Victor

Alasdair Hankinson as Stagehand

Alasdair Braxton as Bellboy

Emily Mwila as Emily

Andrew J. Carter as Fergus McKinnon

Stacey Alleaume as Millie Cantwell (singing voice)

Nathan Lay as Max Thistlewaite (singing voice)