Marc Siersema (born October 11,  1993)  is a Dutch actor and author of Frisian descent who writes English and Dutch (short) stories. He started acting at age 20 in a Frisian series called “De Utflecht” . After portraying a leading role in a Dutch shortfim (“Visser”), he landed supporting roles in both Meesterspion (2016) and Fataal (2016). Siersema plays in those movies characters who will interact with its lead characters at some point. His portrayal of Daniel Mees in Fataal would be his first speaking role in a movie. As writer he is little known, by his pen name MacShayne, for his Mitch Crowne franchise and what is called his Navajo- stories. He has written north of 250 English short stories and 6 film scripts and is currently working on his first novel.