EXCLUSIVE: Evie Templeton (Wednesday) is set to lead the ’60s-set road-trip drama I’ll Go If You Go alongside Caylee Cowan (Casey Affleck’s upcoming Company) and Larsen Thompson (Tarot). The film, marking the feature debut of writer-director Abby Tozer, begins production in Shreveport, Louisiana this fall. Set in 1967 West Texas, I’ll Go If You Go follows…