Robert Michael O'Hare Jr. (May 6, 1952 – September 28, 2012) was an American actor who performed on stage and television. He was best known for playing Commander Jeffrey Sinclair in the science fiction television series Babylon 5, a role he left due to serious mental health issues. Born in Chicago, Illinois. He attended Chicago's Mendel Catholic Preparatory High School, then studied at Harvard University, where he majored in English literature. He studied at the Juilliard School of Drama, and with Sanford Meisner.

Michael O’Hare

Acting Born May 6, 1952 – Died September 28, 2012 Chicago, Illinois, USA

Robert Michael O'Hare Jr. (May 6, 1952 – September 28, 2012) was an American actor who performed on stage and television. He was best known for playing Commander Jeffrey Sinclair in the science fiction television series Babylon 5, a role he left due to serious mental health issues. Born in Chicago, Illinois. He attended Chicago's Mendel Catholic Preparatory High School, then studied at Harvard University, where he majored in English literature. He studied at the Juilliard School of Drama, and with Sanford Meisner.

Known For

Law & Order

Roy Lawlor

Law & Order

Mr. Tobin

Babylon 5

Ambassador Jeffrey Sinclair

Babylon 5

Jeffrey Sinclair

L.A. Law

Michael Lattimer

The Equalizer

Alex

T. J. Hooker

Cal Jastrow

Tales from the Darkside

Jimmy

Trapper John, M.D.

Kate & Allie

The Adams Chronicles

Richard Cranch

Last Exit to Brooklyn

Riot Police Officer