Michael O'Sullivan was born on March 4, 1934 in Los Angeles, California, USA. He was an actor, known for Hang 'Em High (1968) and You're a Big Boy Now (1966). He died on July 24, 1971 in San Francisco, California, USA.
In July 1971, Michael O'Sullivan was found dead in his San Francisco apartment at the age of 37, a bottle of sleeping pills by his side. It is not known whether his death was accidental or a suicide.
Was nominated for Broadway's 1966 Tony Award as Best Supporting or
Featured Actor (Musical) for "It's a Bird...It's a Plane...It's
Superman!"
Raised in Phoenix, Arizona, but lived most of his adult life in San Francisco, California.
Sullivan won the Obie and the Laura D'Annunzio Awards in 1963, for his portrayal of the Director in Pirandello's Six Characters in Search of an Author, directed by William Ball.