A star rating of 3 out of 5.

In just its first couple of weeks, ITVX has run the gamut when it comes to its original shows. A le Carré-esque spy thriller? Check. Period drama? You betcha. Angsty teen drama? But of course.


Now, it's time for the new streamer's police procedural/true crime offering, a four-part adaptation of the real-life poisoning of former Russian spy Alexander Litvinenko in 2006, appropriately titled Litvinenko. It's a somewhat intentionally mixed bag of a series, one which utilises multiple protagonists and darts around genres at speed. And it's largely effective.

Right off the bat it's clear why a lot of viewers will be tuning in - David Tennant. The Doctor Who and Good Omens star has a sizeable and hugely enthusiastic fanbase who will look forward to anything he does. The fact this is such a transformative role for the actor is just the cherry on the cake.

Unsurprisingly, Tennant is phenomenal in the part. Russian accents are not easy to master, but the important point is always how quickly viewers can become absorbed by the characterisation and stop seeing the actor beneath the voice. It really doesn't take long with this performance.

David Tennant as Alexander Litviinenko.
David Tennant as Alexander Litviinenko. ITV

Stripped away is the star's usual charisma and swagger, instead replaced with a heavy sense of burden, both physical and psychological.

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It's a steely, restrained performance, reminding us not only that Alexander (or Sasha as he was often called) was a fully rounded human being, at this time suffering from the most horrific attack, but also of his bravery in the face of death, and determination to tell his story.

It's not particularly a spoiler to say that Tennant's character doesn't survive for long. Not only has it been included in ITV's marketing materials for the show, but it's also established fact and well-known recent British history. There's no hiding from it.

One of the testing points for Litvinenko will therefore be how audiences react to the actor's departure, after which the series takes on a rolling cavalcade of different lead actors, each bringing their own flavour to proceedings. This is, in theory, an experimental approach, but it doesn't feel as innovative as it perhaps could have done.

The best episode of the series, by some way, is the third, which takes on the form of a Cold War-style thriller and sees a group of police officers, led by Sam Troughton's Brian Tarpey, heading to Moscow to investigate.

There are a number of reasons for the success of this sequence - Troughton and his co-stars Barry Sloane and Sam Marks are impeccable, Jim Field Smith's direction makes the sequences surprisingly high octane and George Kay's script is laced with dread. However, the most fundamental reason is that the history is so compelling.

Barry Sloane as DS Jim Dawson, Sam Marks as DC Oliver Gadney and Sam Troughton as Brian Tarpey.
Barry Sloane as DS Jim Dawson, Sam Marks as DC Oliver Gadney and Sam Troughton as Brian Tarpey. ITV Studios for ITVX

It's a point which recurs throughout Litvinenko. Kay noted, when speaking with RadioTimes.com recently, that little fictionalisation was needed when it came to dramatising this story, because the real history was already the most fascinating version of events you could tell.

This is undoubtedly true, but it does mean that across four hours Kay and the rest of the team are at the whims of the true story's pace, its investigative dead ends, its recurring set-backs. It can make the series feel unbalanced.

The series probably isn't helped by having the excellent BBC drama The Salisbury Poisonings in its rear view mirror. That series similarly looked at a poisoning on British soil which has been linked with the Russian state, but did so through a profoundly domestic viewpoint.

That's not to say this series is incomparably weaker - it's not - it just perhaps feels a bit more rote in parts, and lacking a distinctive angle on events. Another problem is the series' ending. There is no satisfying conclusion to these events - we know that from the reality of what has happened since.

Unfortunately this does make episode 4, which dramatises Marina Litvinenko's years-long legal battle for justice, the weakest of the bunch. It's unsurprising given the dramatic shift in pacing from the jumpy, paranoia-infused third episode to this much slower-paced affair, but a shame given Margarita Levieva's stellar work as Marina.

Margarita Levieva as Marina Litvinenko and James Esler as Anatoly Litvinenko.
Margarita Levieva as Marina Litvinenko and James Esler as Anatoly Litvinenko. ITV Studios for ITVX

Levieva and Neil Maskell are particular highlights from the cast, with both bringing real depth to their roles as the grieving widow and empathetic police officer - these could be one-note parts, but both infuse them with fallibility, pathos, and above all, sheer likability.

It's where the show leans into the emotional core of those affected by this awful crime that episodes 2 and 4, the lesser chapters, shine brightest, rather than in their more traditional police procedural or court room trappings.

I have no doubt viewers will binge their way through Litvinenko and not come away unsatisfied. It is, after all, a competently-made, true-to-life depiction of events, in a style which won't be off-putting to viewers accustomed to ITV's usual drama output.

It's just also a show which comes burdened with weighty expectations. It stars David Tennant. It's one of the most highly anticipated originals to be coming out of ITV's new streaming push with ITVX. It's telling a well-known yet shocking true story, one which has taken on a devastating timeliness this year.

All of this means that Litvinenko's more traditional trappings (and lack of Tennant screen-time) might come as a surprise to some. But for those who are able to get their expectations in check, it is still a well-crafted, engaging drama with some impressive performances and an important role to play in helping us remember and acknowledge this barbaric crime.

Litvinenko arrives on ITVX as a full boxset on Thursday 15th December.

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