Descended from Armenian-American immigrants, he grew up in Watertown and Woburn, Massachusetts, and attended the University of Chicago and Oberlin College.

His television roles include Captain Danny Ross in Law & Order: Criminal Intent (2006–10), Lawrence Boyd on Billions (2017–18), Daniel Molloy on Interview with the Vampire (2022–present), and Gil Eavis on Succession (2018–23).

Bogosian has also been involved in New York City ballet production, and has written several novels as well as the historical nonfiction Operation Nemesis (2015), based on the program to assassinate perpetrators of the Armenian genocide.

[1][2] He spent his early childhood in Watertown, Massachusetts, home to a large Armenian-American community which included his grandparents, survivors of the Armenian genocide.

In recent years he has starred on Broadway in Donald Margulies' Time Stands Still, published three novels, and was featured on Law & Order: Criminal Intent as Captain Danny Ross.

[8] Sex, Drugs, Rock & Roll, Pounding Nails in the Floor with My Forehead and Wake Up and Smell the Coffee were all produced commercially Off-Broadway by Frederick Zollo.

Talk Radio was a finalist for Pulitzer Prize for Drama, but lost to Alfred Uhry's Driving Miss Daisy.

[13] In addition to his many appearances in his solo work and starring in his play Talk Radio, Bogosian has also starred in Stephen Adly Guirgis' The Last Days of Judas Iscariot directed by Philip Seymour Hoffman (LAByrinth)[14] and Donald Margulies' Time Stands Still directed by Daniel Sullivan (Manhattan Theater Club/Broadway).

[17][18] In addition, he has been featured in films by such directors as Woody Allen, Robert Altman, Taylor Hackford, Atom Egoyan, and Agnieszka Holland.

[19] In addition, he has appeared as a guest star on dramas and in 1994 created with Steven Spielberg the series High Incident for ABC television.

[26] That role was particular important to Bogosian as he was a long term fan of vampire genre- "When I first came to New York as a young theatre intern, Frank Langella was doing Dracula on Broadway.

During his charter tenure there, he produced the first concerts in New York City by Bill T. Jones and Arnie Zane,[29] Karole Armitage and Molissa Fenley as well as dozens of other choreographers.

[31] In addition to working with Jo Bonney and Tad Savinar, other notable collaborations include with Michael Zwack[32] ("I Saw the Seven Angels"); Joe Hannan ("The Ricky Paul Show"); Glenn Branca[33] ("The New World"); Robert Longo[34] ("American Vanity"); Ann Magnuson (sketches at Folk City)[35] and Elliott Sharp ("This Is Now!").