Toby Jones

as Roger Yount

Hamza Jeetooa

as Usman Kamal

Danny Ashok

as Shahid Kamal

Adeel Akhtar

as Ahmed Kamal

Shabana Azmi

as Mrs. Kamal

Zrinka Cvitešić

as Matya

Wunmi Mosaku

as Quentina Mfeski

Rachael Stirling

as Arabella Yount

Rad Kaim

as Bogdan

Lesley Sharp

as Mary Leatherby