Terry O'Neill's main sphere of theatrical activity has been in Square One Theatre Group Bray for three decadent decades with roles of actor, director and Sabbath carpenter interalia. He has also devised, directed and played in shows around town down the years. This is his second outing with Brecht having played Azdak et al in The Caucasian Chalk Circle in Bray many moons ago.

Michael Thornton's roles in theatre include Da in Da, Fr. Jack in Dancing at Lughnasa, Brennan o the Moor in Red Roses for Me, Knutbrovik in The Master Builder and Tom in Chekov's The Bear. He has played many parts with Dublin Lyric, including the Old Man in Yeats' The Death of Cuchulain and in Purgatory.

Daniel Forde is a pupil of Stagecoach Theatre Arts School in Blackrock.

Tristan McConnell graduated from the GSA's full time course in 2008. Theatre credits include Lane Production's 'The Shawshank Redemption' (Gaiety Theatre), Riverdream's 'Magick Macabre' (Olympia Theatre), Jouissance Production's 'The Woman Who Left Herself', Gavin Kostick's 'War of the Roses III, The Dreaming of the Bones and The King's Threshold.

Neil Hogan trained at the GSA and more recently with Tim McDonnell in the Stanislavski Studio. Recently Neil has appeared in Hamlet (Claudius & Ghost) at the Hong Kong Academy for Performing Arts and in The Winters Tale (Camillo) and Julius Caesar (Julius Caesar) both at the Project Arts Centre.

Olivia Pouyanne graduated from the full-time course of the GSA in 2004. Credits includes The Waiting Room (co-written) with Kabosh, The War of the Roses trilogy (acclaimed Best Production Nominee of the Fringe festival 2008), Anton and 32A. With Dublin Lyric since 2004 and Whiplash since 2006. She is directing The Cat and the Moon and The Only Jealousy of Emer for Dublin Lyric in the National Library.

Michael O'Sullivan has acted in over 30 productions over the years, with Lancos, Swords, Rush and Millbank drama groups. His credits include two musicals with Rush Musical Society. He played Nick in The Last Apache Reunion, Alfieri in A View from the Bridge, Parris In The Crucible and Dr. Rank in A Doll's House, among a host of John B. Keane and Irish plays.

Therese Mullan is a graduate of DIT Conservatory of Music and Drama. Credits Include War of the Roses I and II (Whiplash), The Hourglass, The King's Threshold, The Carnival Queen (N. I. Film Board). Jet Lag Waltz (Ready Fire Aim), The Pendulum (Near FM). Recently on tour with Smashing Times Theatre Company's Testimonies.

Aidan Kelly is a pupil of Stagecoach Theatre Arts School in Blackrock.

Geraldine McAlinden has trained with the GSA and Focus Theatre. Credits include the Blind Woman in Storytaker (2008 Fringe), Various characters in Spoonfed a longplay improv (2005 Fringe), Charlotte in Beyond Therapyl, Madge in Philadelphia, Here I Come, and Mammy in The Cripple of Inishmaan. Film & TV Credits include ANTON and Murphy's Law.

This was Dick Tobin's first appearance with Dublin Lyric. Earlier in the year he played the Old Shepherd in the Classic Stage production of The Winter's Tale at the Project directed by Andy Hinds.

Glen Forbes is from Dublin and trained at the GSA and Sallynoggin College of Further Education. Credits Include Rudolph Peterson in Judgement at Nuremberg and Mr Swales in Dracula ( Blue Moon Theatre Co.) Larry in Closer (1984 productions), Moth in Two (Willow on the Hill), Claudius, Rosencrantz & Guildenstern are Dead (Cyebo). Film:The Hunchback in The Tudors.

Derek Palmer has played a wide variety of characters in many different plays, from straight dramas through sketches to musicals, over the past few years. His favourites being Mr Snow in carousel and Trofimov in The Cherry orchard. He and his brother Dominic have written and produced two comedy sketch shows through their newly formed drama group 'Pages Turned.'

Andrea (David Fennelly) on the left with Federzoni (Peter Prior)

David Fennelly is a recent graduate of the Gaiety School of Acting (GSA). Previous work Includes Cripple Billy in The Cripple of Inishmaan - and the Policeman in Dublin City Counselling. He is also playing in The Cat and the Moon in The National Library.

Peter Prior has been threading the boards for the last fifteen years mainly with The Dublin Shakespeare Society. Favourlte recent roles include Bottom in A Midsummer's Night Dream, Duke of Kent in King Lear, Uncle Peter in The Plough And The Stars and The Tramp in Synge's The Shadow of The Glen.

Dominic Palmer has been involved in dramatics for fifteen years. Most recently he took part in the Bray One Act Festival this year with Square One in Heaven's Above, and will be directing his first show this coming Christmas, his own original piece A Christmas Slice.

Aaron McCoy is a pupil of 'Stagecoach' and recently appeared in Dublin Lyric's production of Oedipus, the King.

Frank Lonergan has been actor and director with St. Thomas, Mount Merrion, Square One (Bray), St. Patrick's Dalkey, Waterfront Players, Bray Musical Society, DMDS and SYMCO. Favourite roles are Paul in Barefoot in the Park and The Father In Poor Old Joe. Directed Trumpets and Raspberries, Present Slaughter and an improvisation The Web.

Declan Brennan's roles with Dublin Lyric include works by Yeats and Eugene McCabe, in whose play 'Pull Down a Horseman', he played Patrick Pearce. Other roles include Lucentio and Jacques (Shakespeare), the Narrator in 'Our Town' at the Mill Theatre, Victor Velasco in 'Barefoot in the Park' at Andrews Lane Studio, the iconic doctor in ‘Dr Who meets Albert Einstein’ by Justin Richards at the Young Scientist Exhibition in the RDS, Dublin, the Ghost Fancier in 'By the Bog of Cats' and the Doctor in 'At the Back Pig's Dyke' at the Mill.

Caoimhe Dunn, who sourced and designed the props for the production, is a graduate in Fine Art from Dun Laoghaire Institute of Art, Technology and Design where she specialised in Model Making and Design. Her work includes design for the National Library's Yeats Exhibition. She is currently with Bui Boig in Wexford.

The final performance of the Dublin Lyric production of 'The Life of Galileo' was on Friday 17 July 2009.