Trivia: Robbie Amell, who plays Caitlin's fiancee Ronnie, is the cousin of Stephen Amell, who plays the lead role on Arrow.
Trivia: Starting in season 4, Jessica Parker Kennedy plays Nora West-Allen, also known as "XS." In the TV series "Smallville", Kennedy plays Plastique. In the comics, Plastique's first appearance was in "The Fury of Firestorm" #7. Firestorm was a reoccurring character in "The Flash", mainly in season 1.
Trivia: John Wesley Shipp, who plays Henry Allen (Barry Allen's father), played Barry Allen in the 1990 TV show The Flash.
