Hilary Rose is an Irish comedy actress and writer. She is best known outside of Ireland for playing Mairead McSweeney in The Young Offenders movie and spin-off tv series.

Hilary Rose plays as Mairead MacSweeney in The Young Offenders.
Hilary Rose is the top #1 member of the cast and appears in 24 episodes.

Alex Murphy is an Irish actor best known for his role as Conor McSweeney in the 2016 Irish comedy film The Young Offenders for which he received an IFTA Nomination for Best Actor in a Lead Role - Film. In 2018, he reprised his role as Conor McSweeney in a comedic spin off TV series of the same name created by the BBC.

Alex Murphy plays as Conor McSweeney in The Young Offenders.
Alex Murphy is the top #2 member of the cast and appears in 24 episodes.

Chris Walley is an Irish actor best known for his role as Jock O'Keeffe in the 2016 Irish comedy film The Young Offenders for which he received an IFTA Nomination for Best Actor in a Supporting Role - Film. In 2018, he will reprise his role as Jock O'Keeffe in a TV series of the same name created by the BBC.

Chris Walley plays as Jock O'Keeffe in The Young Offenders.
Chris Walley is the top #3 member of the cast and appears in 24 episodes.

Dominic MacHale plays as Sergeant Healy in The Young Offenders.
Dominic MacHale is the top #4 member of the cast and appears in 24 episodes.

Shane Casey plays as Billy Murphy in The Young Offenders.
Shane Casey is the top #5 member of the cast and appears in 24 episodes.

P. J. Gallagher (born 18 April 1975) is an Irish stand-up comedian and actor, perhaps better known from his television show Naked Camera. He is an alumnus of St Paul's College, Raheny. In June 2013, Gallagher married Elaine Stewart who was his long-term girlfriend, they are believed to have separated in 2016. He is also friends with fellow comedian Jason Byrne, and he has worked on BBC's The I Hate Show. Gallagher is also a motorbike racer. He has revealed he has reactive arthritis. Source: Wikipedia

P.J. Gallagher plays as Principal Barry Walsh in The Young Offenders.
P.J. Gallagher is the top #6 member of the cast and appears in 24 episodes.

Demi Isaac Oviawe plays as Linda Walsh in The Young Offenders.
Demi Isaac Oviawe is the top #7 member of the cast and appears in 6 episodes.