His first feature documentary was My Name Is Albert Ayler[1] which was well received when it opened theatrically in UK and US in 2007 and 2008.
[3] His second feature documentary I Called Him Morgan premiered on 1 September 2016 at the 73rd Venice Film Festival.
The site's consensus states: "I Called Him Morgan doubles as a seductive tribute to its subject's jazz passion as well as an absorbing look at a fatally doomed relationship".
Indiewire listed Kasper Collin as one of nine breakthrough names to look out for at Toronto International Film Festival 2016.
[21] Between 2009 and 2014 Kasper Collin was one of two chairmen of the Swedish independent filmmakers' organization (Oberoende Filmares Förbund).