- Benedict Cumberbatch Julian Assange
- Carice Van Houten Birgitta Jónsdóttir
- Stanley Tucci James Boswell
- Laura Linney Sarah Shaw
- Anthony Mackie Sam Coulson
- Alicia Vikander Anke
- David Thewlis Nick Davies
- Daniel Brühl Daniel Domscheit-Berg
- Peter Capaldi Alan Rusbridger
- Moritz Bleibtreu Arquitecto
- Dan Stevens Ian Katz
- Jamie Blackley Ziggy
- Hera Hilmar