HomeStatisticsDirector/ProducerSeamus Dever Height, Weight, Age, Body Statistics

Seamus Dever Height, Weight, Age, Body Statistics

Seamus Dever Quick Info
Height 5 ft 10 in
Weight 74 kg
Date of Birth July 27, 1976
Zodiac Sign Leo
Spouse Juliana Dever

Seamus Dever is an American actor, producer, and voice actor who is known for playing Detective Kevin Ryan in the ABC crime comedy-drama series Castle, Dr. Ian Devlin in the daytime soap opera General Hospital, and Trigon in the superhero series Titans. Dever has also been cast in many other shows and movies such as Ghost Whisperer, CSI: Crime Scene InvestigationClose to HomeReady or Not, Chelsea LatelyMad MenThe ChaseDark Blue, Mystery Woman: SnapshotOutside the Law, UndressedPensacola: Wings of GoldArmy WivesLegionHollywoodlandShe’s No AngelDrop Dead Diva, and The Essence of Depp.

Born Name

Seamus Patrick Dever

Nick Name


Seamus Dever as seen during 'An Evening with Castle' at the Paley Center for Media
Seamus Dever as seen during ‘An Evening with Castle’ at the Paley Center for Media (jfer21 / Flickr / CC BY-SA 2.0)

Sun Sign


Born Place

Flint, Genesee County, Michigan, United States


Hollywood, Los Angeles, California, United States





Seamus Dever studied at Mohave High School located in Bullhead City, Arizona, and graduated as a valedictorian. Then, he attended Northern Arizona University and completed his undergraduate studies. Also, Dever has MFAs in Acting from the Moscow Art Theatre and Carnegie-Mellon University.


Actor, Producer, Voice Actor


  • Father – James Dever (Drama Teacher)
  • Mother – Diana Dever (History Professor)
  • Others – Robert Rollin Roock (Maternal Grandfather), Helen Rose Fulton (Maternal Grandmother), Jeanne Arnold (Cousin) (Broadway Actor), Feist (Cousin) (Musician, Singer, Songwriter, Guitarist)


Seamus Dever has been repped by LINK Entertainment, Talent Management Company, Los Angeles, California, United States.



Seamus Dever smiling in a selfie with Juliana Dever in September 2021
Seamus Dever smiling in a selfie with Juliana Dever in September 2021 (Seamus Dever / Instagram)


5 ft 10 in or 178 cm


74 kg or 163 lbs

Girlfriend / Spouse

Seamus Dever has dated –

  1. Juliana Dever (2006-Present) – On May 27, 2006, he got married to Juliana Dever and they have also played reel life husband and wife in the crime comedy-drama series Castle.

Race / Ethnicity


Seamus Dever is of German, Flemish Belgian, and French descent.

Hair Color

Dark Brown

Eye Color


Sexual Orientation


Distinctive Features

His eyebrows

Seamus Dever as seen while taking a selfie in August 2021
Seamus Dever as seen while taking a selfie in August 2021 (Seamus Dever / Instagram)

Seamus Dever Facts

  1. From the age of 6, he was raised in Bullhead City, Arizona.
  2. He was 6 years old when he started acting.
  3. Seamus Dever has said, “My eyebrows – they have a life of their own. I don’t arch them on purpose; I don’t do, like, arching exercises or anything, I promise! I try to maintain a neutral mass, but they just sort of go with whatever the situation is!”.
  4. He has been a lifetime member of the Actors Studio.
  5. Seamus played the character named Phillip in the 2006 neo-noir period mystery film Hollywoodland, starring Adrien Brody, Diane Lane, Ben Affleck, and Bob Hoskins.
  6. He has done voiceover work for video games like Far Cry 5 and Soldier of Fortune II: Double Helix.
  7. He has been a supporter of Best Friends Animal Society.
  8. Addressing his love for the stage, Seamus Dever once stated, “I used to love stage above all, but that was when I was a single man. As I get older, the time commitment gets harder for theatre.”
  9. He co-starred as Marc in the 2009 independent comedy film Ready or Not.
  10. He is a vegetarian.

Featured Image by jfer21 / Flickr / CC BY-SA 2.0

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