Merijn Tinga

Himself - The Plastic Soup Surfer

Janneke Smits

Herself - SUP Champion

Roberto

Himself - Science Centre TUDelft

Wilco Ulgert

Himself - Micro-plastics Researcher

Nick Nuttall

Himself - United Nations

Reinhart Limbach

Himself - Deputy Mayor of Bonn

Rani Jammoul

Himself - School Newspaper

Tijmen Augustijn

Himself - Wellman Recycling