In 2008, he appeared in two episodes of the
CBBC programme
M.I.High as Lewis Chuckworth, and in a short film titled
Londongrad. Bastow landed his first major film role playing the character of "Dave the Laugh" in
Angus, Thongs and Perfect Snogging, released in July 2008. In December 2008, he played the role of a young
Sir Guy of Gisborne for an episode of the
BBC One mini-series
Robin Hood which aired on 6 June 2009. In 2009, he also had a role in
The Boys Are Back starring
Clive Owen. which is produced by Filmax. He also appeared in a recurring role in teen drama
The Cut, a
BBC Switch program, playing Greg Cranborne. In 2011 he appeared in
EastEnders as
Seb Parker. On 27 November 2024, he was cast as Haven (ヘブン, Hebun; written in Romaji), a character based on the real-life
Lafcadio Hearn, also known as Yakumo Koizumi (小泉八雲), on the
NHK Asadora (Japanese morning tv series) ''
The Ghost Writer's Wife'' (ばけばけ). Haven is the husband of Toki Matsuno (松野トキ), the protagonist and the heroine of the show, based on the real-life
Koizumi Setsuko (小泉節子), and played by
Akari Takaishi (高石あかり). He was chosen from among 1767 applicants (246 from Japan, 1352 from America, 149 from England, and 20 from Australia and New Zealand). ==Music career==