Images from Conor McPherson’s ‘The Night Alive’

Paul Vincent O’Connor, left, and Fiona O’Shaughnessy in “The Night Alive” during rehearsal.  (Cheryl A. Guerrero / Los Angeles Times)

Paul Vincent O’Connor rehearses in “The Night Alive.”  (Cheryl A. Guerrero / Los Angeles Times)

Dan Donohue, left, and Paul Vincent O’Connor in “The Night Alive”  (Cheryl A. Guerrero / Los Angeles Times)

Dan Donohue, left, Paul Vincent O’Connor and Denis Arndt perform “The Night Alive” onstage at The Geffen Playhouse in Westwood.  (Cheryl A. Guerrero / Los Angeles Times)

Fiona O’Shaughnessy in “The Night Alive” at Geffen Playhouse in Westwood.  (Cheryl A. Guerrero / Los Angeles Times)

Peter O’Meara performs in “The Night Alive” during rehearsal at Geffen Playhouse.  (Cheryl A. Guerrero / Los Angeles Times)

Denis Arndt, left, and Dan Donohue perform in “The Night Alive.”  (Cheryl A. Guerrero / Los Angeles Times)

Fiona O’Shaughnessy in “The Night Alive”  (Cheryl A. Guerrero / Los Angeles Times)