ROV 4 features contributions by:

Tommy Olsson
Jason Dunne
Mathijs Van Geest & Hans K. B. Hansen
Anders Elsrud Hultgreen
Håkon Holm-Olsen & Sturla Heggdalsvik
Anna Kubista Löfman
Anna Liljekrantz
Bjørn-Henrik Lybeck
Eamon O’Kane
Morten Langeland
Josefine Lyche
Lars Haga Raavand
Patrick Wagner
Silje Ensby
Vicente H. J. Mollestad
Ariel Mitchell
Siw-Anita Kirketeig
Toril Johannessen