Give some stream of consciousness and then the answer. Giles Ingram Matthey (born 11 November 1987) is a British-Australian actor best known for his role as Claude Crane on the HBO original series True Blood, Morpheus / Gideon on the ABC series Once Upon a Time and Jordan Reed on FOX series 24: Live Another Day.

Answer this question: who played gideon on once upon a time?
To answer the above question, the relevant sentence is: Giles Ingram Matthey (born 11 November 1987) is a British-Australian actor best known for his role as Claude Crane on the HBO original series True Blood, Morpheus / Gideon on the ABC series Once Upon a Time and Jordan Reed on FOX series 24: Live Another Day.
Therefore, the answer is Giles Ingram Matthey ( born 11 November 1987 ).