In 2012 his short drama Bird screened at Encounters International Film Festival and was shortlisted for Best UK Short at Raindance Film Festival. In the same year, his Creative Scotland funded documentary In Search of the Wallaby premiered at Edinburgh International Film Festival.

In 2014, Alasdair filmed Brother, a short documentary about youngsters in the remote village of Skagaströnd, Iceland and in 2016 he co-directed the short drama Haftasonu in Cyprus. In 2019 he co-wrote and co-directed the short film Hostess, which examines patriarchal upbringing and sex work in Northern Cyprus.

With producer Ross McKenzie, Alasdair is developing his first feature film Public; an urgent study of adolescence in the British boarding school system. The script was written as part of the Bellrock Screenwriting Workshops 2017 and has subsequently received second draft funding from the Scottish Film Talent Network, with the assistance of Creative Scotland via the BFI NETWORK.

He was one of four filmmakers selected to participate in the 2019 Bellrock Directors’ Workshop lead by Gyula Gazdag.