Notable in his filmography are the serials The Laser Man and How Soon Is Now?, which were made with cinematographer Hoyte van Hoytema.

Marcimain's first feature film, the political thriller Call Girl, was released in autumn 2012.

A scene in the film received a lot of attention in the media when relatives of former Swedish prime minister Olof Palme said that it portrayed him as a sex buyer of minors.

[7] Marcimain has stated that one of his future projects will be to film Stefan Spjut's novel Stallo, which takes place in the realm of fairy tales and is about trolls.

[8] He often works with actors Ruth Vega Fernandez, David Dencik, Simon J. Berger and Sverrir Gudnason and has cited Bo Widerberg as a great role model in his filmmaking.