Cast of Critical Role (Author) Critical Role features seven popular voiceover actors diving into epic fantasy RPG adventures, led by veteran game master Matthew Mercer. What began in 2012 as a bunch of friends playing in each other's living rooms has evolved into a multi-platform entertainment sensation, attracting nearly a million viewers every week.Marieke Nijkamp (Author) Marieke Nijkamp is a #1 New York Times bestselling author of YA novels, graphic novels, and comics, including This Is Where It Ends, Before I Let Go, Even If We Break, and The Oracle Code. Her short stories can be found in several anthologies. She also edited the anthology Unbroken: 13 Stories Starring Disabled Teens. Marieke is a storyteller, dreamer, globe-trotter, and geek. Before pursuing her lifelong passion for writing, she majored in philosophy and medieval history. She loves to go on adventures, roll dice, and daydream. She lives and writes in Small Town, The Netherlands.