"Of Human Action" is the seventh episode of the second season of the science fiction/crime series Fringe, and the 27th episode overall. The episode followed a case involving the apparent kidnapping of the son of a scientist working for biotechnology corporation Massive Dynamic, leading the Fringe team to deal with the repercussions of mind control.

Cameron Riley Monaghan is an American actor and model. He is known for his role as Ian Gallagher on the Showtime comedy-drama series Shameless and as twins Jerome and Jeremiah Valeska, who serve as origins for the Joker, on the DC Comics-based TV series Gotham. He also portrayed Cal Kestis in the action-adventure game Star Wars Jedi: Fallen Order and its sequel Jedi: Survivor. Monaghan began his career as a child model at the age of three and as a child actor at the age of seven.