
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.

as Michael Lattimer

as Roy Lawlor
1990

as Ambassador Jeffrey Sinclair
1994

as Michael Lattimer
1986

as Alex
1985

as Cal Jastrow
1982

1979

as Jimmy
1984

1984

as Richard Cranch
1976

as Cmdr. Jeffrey Sinclair
1993

as Fuller
1984

as Riot Police Officer
1989
as Quentin Springer
1992

as Lt. Cmdr. Jeffrey Sinclair (archive footage)
1998

as Cmdr. Jeffrey Sinclair
1993

as Quentin Springer
1992

as Hal
1990

as Riot Police Officer
1989
as Bowers
1989
as Joe Miller
1986

as Fuller
1984

as Car Owner
1981

1981

as Allie Columbo
1979

as Ben Avery
1979

as Benny
1978
as Michael Lattimer
1 ep.

as Roy Lawlor
1 episodes

as Ambassador Jeffrey Sinclair
3 episodes

as Michael Lattimer
1 episodes

as Alex
1 episodes

as Cal Jastrow
1 episodes

1 episodes

as Jimmy
1 episodes

1 episodes

as Richard Cranch
6 episodes