Seth Gabel was born in Florida and he has Jewish origins. He was raised under the adoptive surname of his stepfather Cosentino. He finished University School of Nova Southeastern University of Florida in Davie area and went to Tisch School of Arts.

Seth Gabel met with Bryce Dallas Howard, an actress and a daughter of actor Ron Howard at the New York University and they dated for five years before they got married in 2006 and with his wife they have given birth to two children, a son called Theodore Norman and a daughter called Beatrice Jean Howard.

Seth Gabel got attention when he played as Adrian Moore, who was an adopted son of Ava Moore and was sexually confused. Ava was Famke Janseen. The series was on FX and it got much attention because of the emotional abusive and incestuous relationship that it portrays.

Seth Gabel has also been in different movies and tv shows and for the big screen, he completed the production for The Free World and it was directed under Forever and Jason Lew. He was the star for Take Me Home Tonight, the movie on the Universal Pictures. He worked on The Da Vinci code movie adapted from the novel of Dan Brown and it was directed by Ron Howard.  He had guest star roles in 100 Center Street, in Sex and The City, CSI: Crime Scene Investigation, Law & Order: Special Victims, The Closer and United States of Tara.  During the year 2010, he appeared in the Fox series including Lincoln Lee and Fringe. He was a supporting character member of the Fringe Division and for the alternate universe. In the show, he was two Lincoln Lees who came from the two universes. The Character was to be written off towards the end for the season and he came at the season finale. He was the cast for Arrow in the episode called Vertigo and he was called Count. He played Cotton Mather in the Salem.

Seth Gabel is a versatile actor in the Hollywood industry and he has been given many roles because of his performance. He is tall with the height of 5 feet and 11 inches.  The information about him can be found easily online. He is a popular person on twitter and has over 30k people as followers. His net worth is 2 million dollars but the number is increasing on regular basis.  From his biography, he has a large list of the shows and movies that he appeared into and he continues to act in many others.