Director Joshua Caldwell on big brookies, making a Netflix hit, and his film on Cathy and Barry Beck

Joshua Caldwell is the director of the Netflix hit "Mending the Line" starring big names like Brian Cox, Sinqua Walls, Perry Mattfeld, Patricia Heaton and Wes Studi. He's also passionate fly fisher who directed the documentary "Legacy: The Story of Cathy and Barry Beck." Both films deal with loss and grief—and also on the soothing joy that can come from fly fishing. His conversation with Ross Purnell focuses on his experiences catching huge brook trout in Labrador, working with veteran groups like Warriors and Quiet Waters, the difficulties of making films with live animals (trout), and his next projects on the horizon.