- Acting for Two: Tom Cavanagh plays both Earth-2 Harrison "Harry" Wells, and Earth-19 Harrison "H.R." Wells.
- California Doubling: The jungles of Earth-2 Africa look suspiciously like the redwood forests of the western American coast. Cisco mentions that it's not as hot as he expected, but that's the only explanation we are given.
- Notably, their breath is visible in the air, something you probably wouldn't expect in Earth-1 tropical Africa.
- Irony as She Is Cast: Tom Felton gets two-fold.
- His Star-Making Role is playing The Rival of a character named Harry. Here, he's on a rescue mission to save a character named Harry.
- Last time he was on a work involving sentient apes, he is the bad guy. Here, the apes are the villains.
Trivia / The Flash 2014 S 3 E 13 Attack On Gorilla City