Michael O'Hare

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.
Cast

Fly Away Home
Unknown

Babylon 5: The Gathering
Cmdr. Jeffrey Sinclair

C.H.U.D.
Fuller

Last Exit to Brooklyn
Riot Police Officer

The Promise
Ben Avery

Keefer
Benny
A Case of Deadly Force
Joe Miller

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

Marciano
Allie Columbo
By a Thread
Quentin Springer

The Pursuit of D.B. Cooper
Car Owner

The Ambulance
Hal
Short-Term Bonds
Bowers