Full cast of Secret Service

Gemma Arterton

Kate Henderson

5 episodes

Rafe Spall

Stuart Henderson

5 episodes

Alexander Terentyev

Sergei Malinski

5 episodes

Roger Allam

Sir Alan Brabazon

5 episodes

Avi Nash

Ravindra Sangvhi

5 episodes

Mark Stanley

Ryan Walker

5 episodes

Alex Kingston

Rose Trewen

5 episodes

Amaka Okafor

Imogen Conrad

5 episodes

Khalid Abdalla

Zak Hussein

5 episodes

Aoife Hinds

Julie Price

5 episodes

Rochenda Sandall

Melissa Morris

5 episodes

Lydia Leonard

Amanda Walker

5 episodes

Steven Elder

Anthony Fletcher

5 episodes

Alma Prelec

Lena Savic

5 episodes

Galaxie Clear

Fiona Henderson

5 episodes

Harley Barton

Gus Henderson

5 episodes