What two groups co-produced a science fiction television series starring Canadian actress Jennifer Spence? 
Jennifer Spence:  Other television series in which she has had principal roles are "Exes and Ohs", "The 4400", "Reunion", "Write & Wrong", and recurring roles on "Killer Instinct", "DaVinci's Inquest", "You Me Her", and "Travelers". Travelers (TV series):  The series is a co-production between Netflix and Showcase.
Netflix and Showcase