Jason Ralph (born April 7, 1986) is an American actor and theater producer. Ralph began his career in theater, most notably performing in Peter and the Starcatcher on Broadway and off-Broadway and producing The Woodsman. From 2015 to 2019, he starred as Quentin Coldwater in the Syfy television series The Magicians. He has also had recurring roles on shows including Aquarius and Younger. And and is married to actress Rachel Brosnahan. Description above from the Wikipedia article Jason Ralph, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Those People
(Sebastian)
I'm Obsessed With You (But You've Got to Leave Me Alone)
(Jake Birnbaum)
A Most Violent Year
(Ian Thompson)
I'm Thinking of Ending Things
(Yvonne's Boyfriend)
Tender Thoughts
(Steven)
Gossip Girl
(Sam)
Blue Bloods
(Jake Singer)
Younger
(Jake Devereux)
Manhattan
(Stan)
The Magicians
(Quentin Coldwater)
Unforgettable
(Zeke)
Looking
(Jason)
Grace and Frankie
(William)
The Marvelous Mrs. Maisel
(Mike Carr)
Aquarius
(Mike Vickery (uncredited))
Aquarius
(Mike Vickery)
Smash
(Fan)
The Night Of
The Good Wife
(Student)
Madam Secretary
(Harrison Dalton)