In February 2013, he began work on The Heart of Nowhere, a film directed by Charlie Fink to coincide with Noah and the Whale's final album; he played Floyd, the bassist of the group.
In March 2015, producers of the hit sitcom Benidorm announced that Bolt had been cast as part of a brand new family for Series 8, which aired in January 2016.
Bolt played Rob Dawson, the family's son, who befriends regular characters Tyger Dyke and Joey Ellis.
Bolt starred as Reburrus, a young boy hungry for revenge following the slaughter of his family, in Barbarians Rising, an eight-part drama for the History Channel airing in the U.S. and the UK.
Later that year, Bolt recorded the second volume of The Story of a New Name, which was written by Elena Ferrante and adapted by Timberlake Wertenbaker for BBC Radio 4; he played the part of Antonio.
In late 2017 Bolt played Spod a companion of Alex Kingston in the fourth series of the River Song diaries from Big Finish.