Turner started his career in 2010, modelling for companies such as
Next and
Reebok, and in his first acting role for the short student film
Think of England for the
University of Hertfordshire Film and Television programme. Turner starred as Tony in
Zero, a 2011 film directed by David Barrouk and produced by Michael Riley. In 2012, he starred alongside
Waterloo Road star
Ben-Ryan Davies in the short film
Human Beings, directed by Jonathan Entwistle. He appeared in the French group
The Shoes' 2012 music video "Time to Dance" with
Jake Gyllenhaal. In 2012, Turner was in the
ITV series
Leaving, alongside
Helen McCrory. Turner's performance was met with mostly positive reviews. In December 2012, Turner starred with
Andrew Scott and
Martin Clunes in another ITV Drama,
The Town, portraying Ashley, a troubled teen. In early 2013, Turner made a guest appearance in
Showtime's
historical-fiction drama television series,
The Borgias as Calvino. He also starred in short film
Alleycats as Eze, directed by Ian Bonhôte, and had a small role as Phillip in the second series of
BBC One's
Ripper Street. In June 2012, Turner was cast in the lead role of
John Boorman's film
Queen and Country. Turner stated that Boorman revealed secret and personal events from his life, to help Turner to portray his character as best as he could. The film made its debut as part of the
Directors' Fortnight section of the
2014 Cannes Film Festival. In
E4's
whodunit series
Glue in 2014, Turner portrayed Eli, a traveller, whose brother is murdered. In 2014, he was among those named
Breakthrough Brits by the
British Academy of Film and Television Arts. Turner portrayed Alistair in
Paul McGuigan's 2015 horror film
Victor Frankenstein. He starred as Danny in the 2016 film
Tramps, which premiered at the
2016 Toronto International Film Festival. In 2017, he portrayed Evan in
Mobile Homes. The film was screened in the
Directors' Fortnight section at the
2017 Cannes Film Festival. He portrayed Theseus Scamander in
Fantastic Beasts: The Crimes of Grindelwald in 2018 and in
Fantastic Beasts: The Secrets of Dumbledore in 2022. In 2018, Turner also directed and co-wrote short film
Shift the Plane with friend and co-writer Danny King. He had a lead role as Shaun Emery in the 2019
BBC One series
The Capture and was nominated for the
British Academy Television Award for Best Actor for his performance. In 2020, Turner portrayed Frank Churchill in the comedy-drama film
Emma. In 2021, he portrayed Anthony O'Hare in the romantic drama
The Last Letter from Your Lover, alongside
Shailene Woodley and
Felicity Jones. In 2023, Turner portrayed
Joe Rantz in
The Boys in the Boat, directed by
George Clooney. In 2024, he portrayed John "Bucky" Egan in the miniseries
Masters of the Air. In April 2024, it was announced that Turner was cast as
Case in the
Apple TV+ series adaptation of
William Gibson's seminal
cyberpunk novel
Neuromancer. He will next star in
Will Gluck's
One Night Only alongside
Monica Barbaro and
Maya Hawke, and
Karim Aïnouz's satirical
tragicomedy thriller
Rosebush Pruning with
Jamie Bell,
Elle Fanning, and
Pamela Anderson. == Personal life ==