Guest Stars Tom Butler as Lesley Adams Garry Chalk as Lt. Michael Oakes Colin Lawrence as Benjamin Abani Mark Moses as Lt. Erik Carlson Don Thompson as Janek Kovarsky Tyler Johnston as Alexi Giffords Alan Dale as Senator Eaton Andrew Airlie as Dr. Andrew Madigan Co Starring Seth Isaac Johnson as Denny Larsen Evan Bird as Tom Larsen Randal Edwards as Ray Jones Sean Owen Roberts as Logic Chelsea Ricketts as Tina Arien Boey as Davie Robert Parent as Duncan Sarah Strange as Claire Craig March as Fire Inspector Ted Whittall as Don Lilli Clark as Nurse Katie Jordan Sean Devine as Dr. Andrew Newman Sarah Hayward as Jackie Uncredited Eric Breker as Duke Perry Adam Charles as Young Man