Love In Idleness is a 1944 comedy play by the British writer Terence Rattigan. A young man with radical left-wing views returns from Canada to discover to his horror that his mother is in a relationship with a wealthy businessman currently serving as Minister for Tank Production.
It was staged in New York with the title O Mistress Mine.Taylor p.150
Original production The play opened (following a pre-London tour) at the Lyric Theatre, London, on 20 December 1944, with the following cast: Olivia Brown - Lynn Fontanne Polton - Margaret Murray Miss Dell - Peggy Dear Sir John Fletcher - Alfred Lunt Michael Brown - Brian Nissen Diana Fletcher - Kathleen Kent Celia Wentworth - Mona Harrison Sir Thomas Markham - Frank Forder Lady Markham - Antoinette Keith
References
Bibliography John Russell Taylor. The Rise and Fall of the Well-Made Play. Routledge, 2013.