S9, Ep10. Amy and Ty work together to determine why Caleb's horse becomes ill during his treatment at Heartland.

10 Jan. 2016 Darkness Before Dawn. Lisa Langlois Marion 226 Episodes (2007-2020) Wanda Cannon Lillian Grant 226 Episodes (2007-2020) Shaun Johnston Jack 226 Episodes (2007-2020) Michelle Morgan Lou 226 Episodes (2007-2020) Heartland (TV Series 2007– ) cast and crew credits, including actors, actresses, directors, writers and more.