In the BBC drama Six Original (also known as SS-GB), Sam Riley plays Detective Inspector Archer, Kate Bosworth plays Dr. Barbara Barga, and James Cosmo plays Harry Woods.
Main cast
- Detective Inspector Douglas ArcherSam Riley1–2Main
- Dr. Barbara BargaKate Bosworth1–2Main
- Harry WoodsJames Cosmo1–2Main
Supporting cast
- Standartenführer HuthLars Eidinger1–2Supp
- Sylvia ManningMaeve Dermody1–2Supp
- Fritz KellermannRainer Bock1–2Supp
- Dr. Frank MathesonJason Flemyng1–2Supp
- Archer’s father (flashbacks)Mark Noble1–2Supp
Guest & voice
- Sir Bernard SpodePaul Ready1Guest
- Mrs. Florence ArcherRuby Snape1Guest
- General DanilovMarcin Dorociński1Guest
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About this cast
Six Original, broadcast on BBC One as SS-GB, is a 2017–2018 alternate history crime drama set in a Nazi-occupied United Kingdom. The series follows Detective Inspector Archer, a Scotland Yard officer navigating a treacherous collaborationist police force while investigating a murder that reveals a deeper resistance conspiracy.
FAQs
Who plays Detective Inspector Archer in Six Original?
Sam Riley plays Detective Inspector Archer in the series Six Original, known as SS-GB.
Is Six Original based on a book?
Yes, the series is an adaptation of Len Deighton’s 1978 novel SS-GB, which imagines a Nazi victory in World War II.
How many episodes are there in Six Original?
Six Original (SS-GB) has two series: the first has five episodes and the second has four episodes, for a total of nine episodes.
Who plays Dr. Barbara Barga in Six Original?
Kate Bosworth plays Dr. Barbara Barga, an American journalist caught up in the resistance.
Where was Six Original filmed?
The series was filmed primarily in Northern Ireland (Belfast) and some scenes in London, with period sets built to depict a Nazi-controlled Britain.
Sources & where to watch: IMDb · Wikipedia · Where to watch (JustWatch UK) · Updated June 2026