
Michael O'Hare
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.
Also Known As
Movie Appearances

Fly Away Home
1981

Babylon 5: The Gathering
as Cmdr. Jeffrey Sinclair
1993

C.H.U.D.
as Fuller
1984

Last Exit to Brooklyn
as Riot Police Officer
1989

The Promise
as Ben Avery
1979

Keefer
as Benny
1978
A Case of Deadly Force
as Joe Miller
1986

Babylon 5: In the Beginning
as Lt. Cmdr. Jeffrey Sinclair (archive footage)
1998

Marciano
as Allie Columbo
1979

By a Thread
as Quentin Springer
1992

The Pursuit of D.B. Cooper
as Car Owner
1981

The Ambulance
as Hal
1990
Short-Term Bonds
as Bowers
1989
TV Appearances

L.A. Law
as Michael Lattimer
1986

Tales from the Darkside
as Jimmy
1984

Kate & Allie
1984

Trapper John, M.D.
1979

T. J. Hooker
as Cal Jastrow
1982

Babylon 5
as Ambassador Jeffrey Sinclair
1994

The Equalizer
as Alex
1985

Babylon 5
as Jeffrey Sinclair
1994

Law & Order
as Roy Lawlor
1990

Law & Order
as Mr. Tobin
1990

The Adams Chronicles
as Richard Cranch
1976