Conversation so far:
Did anything happen to Laurence Olivier in 1968 or 1969?
In 1968, Laurence Olivier agreed to serve for a second five-year term as director of the National Theatre because of bureaucratic delays in the construction of the new building.
What was Laurence Olivier serving a five-year term for?
In 1968, Laurence Olivier agreed to serve for a second five-year term as director of the National Theatre
What happened during Laurence Olivier's time as director of the National Theatre?
In his decade in charge of the National, Laurence Olivier acted in thirteen plays and directed eight.
Did Laurence Olivier do anything else at the National Theatre before or after Amphitryon?
In June 1970, Laurence Olivier became the first actor to be created a peer for services to the theatre
Who did Laurence Olivier play in his other stage roles besides Shylock in The Merchant of Venice?
Laurence Olivier played James Tyrone in Eugene O'Neill's Long Day's Journey into Night, Antonio in Eduardo de Filippo's Saturday, Sunday, Monday and John Tagg in Trevor Griffiths's The Party.
Was there anything important about some of the roles Laurence Olivier played between 1968 and 1974?
Laurence Olivier starred opposite Michael Caine in Joseph L. Mankiewicz's film of Anthony Shaffer's Sleuth. Both were nominated for the Academy Award for Best Actor, losing to Marlon Brando
Does the article say if Laurence Olivier did anything besides acting during the time he was director of the National Theatre?
The last two stage plays Laurence Olivier directed were Jean Giradoux's Amphitryon in 1971 and Priestley's Eden End in 1974.
Are there any other interesting aspects about the Laurence Olivier article?
Laurence Olivier's succession was tactlessly handled by the National Theatre board. He felt that he had been eased out and had not been properly consulted about the choice of successor.

Question: who were the military leaders he played?
Self-contained rewrite: Who were the military leaders Laurence Olivier played?