Main Characters Hayley Roberts 18 main appearances Jay "Chopper" Chopra 18 main appearances Tristan Green 18 main appearances Milosz Nowak 18 main appearances Crystal Highway 18 main appearances Austen Bodie 18 main appearances Lexi Martine 18 main appearances William "Wheezer" Heaseman 16 main appearances Jeremy Wood 15 main appearances Madison Van Camp 14 main appearances Dr. Trevor Sung 9 main appearances Stef 9 main appearances Emma Lin 8 main appearances Reese "Skippy" Hassan 7 main appearances Dr. Yana Noah 7 main appearances Kingsley 1 main appearances Pierce 5 main appearances Rosie 1 main appearances Otis Barnes 1 main appearances
Recurring Guest Characters John Sr. 1 guest appearances Sera Makakis 1 guest appearances Black Tree Fire Chief 1 guest appearances Ian Makakis 1 guest appearances Lauren Dumont 1 guest appearances Vivek 1 guest appearances Firefighter Eric 1 guest appearances Petra 1 guest appearances Glen 1 guest appearances Ultrasound Technician 1 guest appearances RCAF Major 1 guest appearances Fire Captain 1 guest appearances Aviation Authority Edwards 1 guest appearances Delmont 1 guest appearances Dubs 1 guest appearances Kathy 1 guest appearances Robert 1 guest appearances Vern 1 guest appearances Henry 1 guest appearances Gail 1 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 » ⇥