The Flash Season 5, Episode 14 Cause and XS Drama IMDB 7.8 Country United States Duration 44 min Air Date 2019-02-12 Actors Grant Gustin (Barry Allen / The Flash) Candice Patton (Iris West-Allen) Danielle Panabaker (Khione) Danielle Nicolet (Cecile Horton) Kayla Compton (Allegra Garcia) Brandon McKnight (Chester P. Runk) Jon Cor (Mark Blaine / Chillblaine) Overview After Iris lands in serious danger, Nora races to save her mother. Barry puts the finishing touches on the metahuman cure, leaving Cisco with a rare night off so he decides to take Kamilla on a date.