All Cast

Martin Savage

Martin Savage

Subject

Helen Grace

Helen Grace

Spouse

Poppy Rogers

Poppy Rogers

Child

David Walliams

David Walliams

Friend

Amelia Bullmore

Amelia Bullmore

Friend

John Hopkinson

John Hopkinson

Friend

Richard Ayoade

Richard Ayoade

Computer Man

Peter Serafinowicz

Peter Serafinowicz

(voice)

Julia Davis

Julia Davis

(voice)