Carrie Pilby is a 2016 American comedy film directed by Susan Johnson and written by Kara Holden and Dean Craig, based on the best-selling novel of the same name by Caren Lissner.
 The film stars Bel Powley, Nathan Lane, Gabriel Byrne, Jason Ritter, William Moseley, Vanessa Bayer, and Colin O'Donoghue.
 Principal photography began on December 14, 2015 in New York City.
Colin Arthur O'Donoghue (born 26 January 1981) is an Irish actor and musician, best known for portraying Captain Killian "Hook" Jones on the TV show "Once Upon a Time".
 He appeared in the 2011 horror thriller film "The Rite" (2011) as a skeptical novice priest, Michael Kovak.
Stuart Dunne is an Irish actor and artist.
 He is best known for his dark and violent portrayal of the character Billy Meehan on the Irish soap opera "Fair City".
 He was nominated at the 2003 Irish Film and Television Awards for Best Actor in a Television Drama for "Fair City".
Carrie Pilby is a coming-of-age novel by Caren Lissner, first published by Red Dress Ink in 2003, then re-released on July 1, 2010 for teenage readers under the new imprint Harlequin Teen.
 It was among the first novels published by Harlequin Enterprises's Red Dress Ink imprint, an imprint created primarily to take advantage of the then-burgeoning "chick lit" phenomenon that included humorous books about young single women like "Bridget Jones' Diary".
Aindrias Stack (aka Aindrias de Staic) (born 9 November 1977, Galway, Ireland) is an Irish actor, musician and one of a new generation of Irish storytellers.
 He performs in both Irish and English.
 Aindrias Stack is best known for his award-winning one man shows "Around the World on 80 Quid," "The Year I Got Younger," "The Summer I Did the Leaving" and "The Man From Moogaga."
Liam Neeson is an Irish actor and voice actor, who rose to prominence with his acclaimed starring role in Steven Spielberg's 1993 Oscar winner "Schindler's List".
 He has since starred in a number of other successful films, including "", "Taken", "Michael Collins", "Les Misérables", "Batman Begins", "Kinsey", "Clash of the Titans", and "The Chronicles of Narnia" series.
 He has been nominated for a number of awards including an Academy Award for Best Actor, a BAFTA Award for Best Actor in a Leading Role and three Golden Globe Awards for Best Actor in a Motion Picture Drama. "
Empire" magazine ranked Neeson among both the "100 Sexiest Stars in Film History" and "The Top 100 Movie Stars of All Time."
Susan Johnson (born December 18, 1970) is an American film producer and director, known for directing the 2016 comedy film "Carrie Pilby".
Susan Cartsonis is an American film producer and the president of Storefront Pictures.
 She produced "Firelight", "Where the Heart Is", "What Women Want", "Aquamarine", "Beastly", and "Carrie Pilby", and was the executive producer of "The Mistress of Spices" and "No Reservations".
 In 2000, she was named one of the top five grossing producers of the year by "The Hollywood Reporter."
, She is President of Wind Dancer Films.
 She is also Senior Vice President at 20th Century Fox.
Caren Lissner is an American novelist, essayist, and newspaper editor.
 Her published novels include "Carrie Pilby" (2003) and "Starting from Square Two" (2004).
 She has also published essays, articles, and satire in "The New York Times," "The Philadelphia Inquirer," "The Atlantic," and McSweeney's Internet Tendency.
 She is editor-in-chief of the "Hudson Reporter" group of newspapers based in Hoboken, New Jersey.
 Her novel "Carrie Pilby" was re-released July 1, 2010 by Harlequin Teen and was made into an independent film starring Bel Powley and Nathan Lane The film debuted in theaters in March, 2017 and was scheduled to debut on Netflix in September, 2017.
Vanessa Polster Bayer (born  14, 1981 (1981--) ) is an Emmy-nominated American actress and comedian, best known as a cast member on "Saturday Night Live" and for supporting roles in films "Trainwreck", "Office Christmas Party" and "Carrie Pilby".

Question: Carrie Pilby stars which Irish actor and musician?
Answer: Colin Arthur O'Donoghue