Marina Musulin (1990) gained a master's degree in Acting studies at the Academy of Applied Arts in Rijeka. She enrolled in the Erasmus program at the School of Performing Arts of the University of Malta, Department of Theater and Dance. She graduated with the audiovisual work Nova Europa, on which she collaborated with Selma Banich. Her project "Krešo" began to develop at the documentary film workshop Rafineri + ExOriente in 2015 by UKUS Association and the Institute for Documentary Film from Prague. She works in the field of acting and audiovisual arts.

Zoran Krema, the founder and president of the Okodoko Association, has been directing, filming, editing and producing documentary films since 2006, and since 2010 he has been producing films under the said association. In 2013, his documentary film "Chaplin Theater - a tragicomedy in four acts" won the Oktavijan Award of the Croatian Society of Film Critics for the best Croatian documentary film. In addition to this, Krema directed a number of other documentaries that have achieved notable success atfilm festivals, such as "Če sem sem... ma beloga tovara ne zovem moro", a documentary film about the poet Nikola Kraljić or "Zoffski grč", a documentary film about Zoran Štajdohar Zoff, the controversial frontman of the Rijeka art rock group GRČ. The latest film, "Krešo", directed by Zoran Krema and Marina Musulin, follows the life path, creativity and shocking disappearance of the peculiar Rijeka artist Kreša Kovačiček.