Agnes Brown (Brendan O'Carroll)
A loud, foul-mouthed Irish matriarch who is always looking out for her family after the death of her husband Redser. Agnes is a very nosy woman, who is always interested in other people's lives. Agnes works at a fruit and veg stall at Dublin market. She takes great pleasure in making a fool of her neighbour and best friend Winnie, and her father-in-law. Agnes has a catch phrase; "That's nice". It is jokingly explained that she was taught to say this in place of "Fuck off" while taking elocution lessons.
Cathy Brown (Jennifer Gibney)
Cathy is Agnes' daughter. She is a lonely middle-aged woman who is always on the look-out for a man - but is always put off by her mother, and what her mother usually has to say to about her boyfriends. Cathy is played by O'Carroll's real life wife, Jennifer Gibney.
Grandad Brown (Dermot O'Neill)
Grandad is Agnes' father-in-law, who she always makes a fool of. He is lazy and is always complaining, which makes Agnes mad.
Mark Brown (Pat "Pepsi" Shields) - Mark is the eldest of Agnes' sons, who lives with his wife Betty and his son, Bono. Mark never learned to read and write at the school, for which Agnes took the blame, until Cathy told her it was the teacher's fault, owing to the fact he'd been at school for 8 years and not missed a single day.
Mark Brown (Pat "Pepsi" Shields) - Mark is the eldest of Agnes' sons, who lives with his wife Betty and his son, Bono. Mark never learned to read and write at the school, for which Agnes took the blame, until Cathy told her it was the teacher's fault, owing to the fact he'd been at school for 8 years and not missed a single day.
Betty Brown (Amanda Woods)
Betty is Agnes' daughter-in-law, and is married to Mark. She and Mark have a son, Bono. Betty is very strong-minded and is not afraid to put Agnes in her place when needs be. Betty is played by the wife of O'Carroll's son, Danny, Amanda Woods.
Bono Brown (Jamie O'Carroll)
Bono is Agnes' grandson. He lives with his dad Mark and mum Betty, and often visits and stays over at Agnes' house. Bono is played by O'Carroll's real life grandson, Jamie.
Rory Brown (Rory Cowan)
Rory is Agnes' homosexual son, who is scared of telling his mum that he is gay because he thinks that she will be ashamed. When she finally finds out, she says, "I know about your illness."
Dino Doyle (Gary Hollywood)
Dino is Rory's Scottish boyfriend. He and Rory manage the hair salon that they work in together. Dino is also a chef, and cooked for Hilary and Agnes when they had dinner together.
Dermot Brown (Paddy Houlihan)
Dermot is Agnes' youngest son, who is commonly seen in giant costumes. Dermot has found himself in trouble with the law after burgling with his friend Buster Brady. Dermot is played by the best friend of O'Carroll's son Danny, Paddy Houlihan.
Maria Brown (Fiona O'Carroll)
Maria is Agnes' daughter-in-law, who is married to Dermot. She is a nurse from a wealthy family, who always seems to be quiet. She and Dermot have triplets, all boys, named after three of The Beatles: John, George and Ringo. Maria is played by O'Carroll's real life daughter, Fiona.
Buster Brady (Danny O'Carroll)
Buster, a troublemaker always looking for an easy way to make money, is Dermot's best friend and is not well liked by Agnes. He was the best man at Dermot and Maria's wedding. He may have a thing for Cathy. Buster is played by O'Carroll's real life son, Danny.
Trevor Brown (Martin Delany)
Trevor is another of Agnes' sons. He does not appear in the first series, but returns in the Christmas special after his term with the missionaries ends. Trevor is played by Martin Delany, O'Carroll's son-in-law, married to his real-life daughter, Fiona.
Winnie McGoogan (Eilish O'Carroll)
Winnie is Agnes' next door neighbour and best friend. She is always seen either in Foley's Bar or at the kitchen table with Agnes. She is a quiet, harmless soul and is always made a fool of by Agnes. She is married to Jackson McGoogan who is an unseen character who is usually ill or accident prone. Winnie is played by O'Carroll's real-life sister, Eilish.
Sharon McGooghan (Fiona Gibney)
Sharon is Winnie and Jacko's daughter. In the pilot episode "Dermot's Dilemma", Sharon was played by Marion O'Dwyer. In the later series, Sharon is played by O'Carroll's sister-in-law, Fiona, sister of his wife, Jennifer.
Hilary Nicholson (Sorcha Cusack/Susie Blake)
Hilary is Maria's mother. Hilary is very wary of Agnes, and does not approve of Maria marrying into the Brown family. In the first series, Hilary was portrayed by Sorcha Cusack.
Mr. Foley (Mike Nolan)
The landlord of the local pub, Foley's. In the first and second series, Mr. Foley was portrayed by Smug Roberts.
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