John Lake (played by Rossif Sutherland) is a protagonist in River.
Dr. Stephanie Novella (played by Sara Botsford) appears in River.
Patrick Reardon (played by Ted Atherton) appears in River.
Douangmany (played by Douangmany Soliphanh) appears in River.
Simon (played by David Soncin) appears in River.
Nang (played by Amphaiphun Phommapunya) appears in River.
Lachlan (played by Aidan Gillett) appears in River.
