Paul Blackthorne’s character Clark is the producer of the documentary in The River. He is Emmet‘s ex-producer, and we are lead to be suspicious of him. Tess hires him back because the documentary will fund the rescue mission. Sammy and Andreus work as cameramen under Clark.
The English actor was the lead actor in Sci-Fi’s The Dresden Files, and he has played several supporting roles in shows like ER, 24, Lipstick Jungle, Monk, Deadwood, and Medium.