
Biography
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.
Acting · 20
Babylon 5
1994
By a Thread
1992
Law & Order
1990
The Ambulance
1990
L.A. Law
1986
The Equalizer
1985
C.H.U.D.
1984
Kate & Allie
1984
T. J. Hooker
1982
Fly Away Home
1981
Marciano
1979
The Promise
1979
Keefer
1978



















