Colm Meaney has been named Best Actor Award for his portrayal of Martin McGuinness in The Journey.
Meaney was awarded the accolade at the annual IFTA Film and Drama Awards in Dublin's Mansion House.
Some of Ireland's most well-known actors from the big and small screens were out in force for the bash.
The film is to be released on May 5.
Starring Meaney as Martin McGuinness, Timothy Spall as Ian Paisley and written by Northern Ireland author Colin Bateman it tells the story of the 'journey' the two former enemies made ahead of the St Andrews Agreement.
Directed by Nick Hamm the cast also includes Toby Stephens, Freddie Highmore, and the late John Hurt.
It has featured at the Toronto and Venice film festivals earning critical acclaim.
Colm Meaney has been nominated for an IFTA award for his performance in the film. Speaking on ITV's this morning, he said the script was a page-turner with humour and warmth which meant he had to take on the role of the late IRA commander.
The full list of winners at this year's awards were:
Best Supporting Actress in Film - Charleigh Bailey - A Date For Mad Mary
Best Supporting Actor in Film - Ned Dennehy - An Klondike
Best Script - James Phelan - Wrecking The Rising
Best Animation - Second To None - Vincent Gallagher
Best Short Film - Heartbreak - Dave Tynan
Best Make Up and Hair – Dee Corcoran and Tom McInerney - Vikings
Best Supporting Actress in Drama - Charlie Murphy - Happy Valley
George Morrison Award for Best Feature Documentary - Mattress Men
Costume Design - Consolata Boyle - Florence Foster Jenkins
Best Editing - Nick Emerson - I Am Not A Serial Killer
Original Score - Bryan Byrne - Secret Scripture
Best Director - Dathai Keane - An Klondike
Best Lead Actress in Drama - Amy Huberman - Striking Out
Best Lead Actor in Drama - Cillian Murphy - Peaky Blinders
Rising Star - Patrick Gibson
Best Script in Film - Peter Foott - Young Offenders
Best Production Design - Derek Wallace - Secret Scripture
Best Supporting Actor in Film - Jason O'Mara - Seige of Jadotville
Best Lead Actor in Film Colm Meaney - The Journey
Best Lead Actress in Film – Ruth Negga - Loving
Best Film - A Date For Mad Mary
Best Drama - Vikings