The Flash: Interlude IV

ARC The Flash: Interlude IV Interlude IV is a story arc of the ninth season of.

Main Cast

 * Grant Gustin as The Flash (Barry Allen)
 * Candice Patton as Iris West-Allen
 * Danielle Panabaker as Khione
 * Danielle Nicolet as Cecile Horton
 * Kayla Compton as Allegra Garcia
 * Brandon McKnight as Chester P. Runk
 * Jon Cor as Chillblaine (Mark Blaine)

Recurring Cast

 * Sugar Lyn Beard as Hazard (Becky Sharpe)

In-Universe Guest Stars

 * Nicole Maines as Dreamer (Nia Nal)
 * David Ramsey as Spartan (John Diggle)
 * Stephen Amell as Green Arrow (Oliver Queen)