The Flash Season 5, Episode 6 The Icicle Cometh Drama IMDB 7.8 Country United States Duration 44 min Air Date 2018-11-20 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 Caitlin, Barry and Cisco learn something new about Caitlin’s father. Meanwhile, Iris and Sherloque follow a clue about Cicada.