Paul Rudd Rick Power
Havana Rose Liu Marcia
Jack Reynor Mac
Nick Jonas Danny Wilson
Dan Friedkin Executive Producer
John Carney Director, Writer, Producer, Original Music Composer, Songs
Peter McDonald Sandy, Writer
Yaron Orbach Director of Photography
Sophie Vavasseur Amanda
Rory Keenan Binzer
Paul Reid Bernie
Jeanne McCarthy Casting
Beth Fallon Aja
Keith McErlean Kyle
Bogdan Kumšackij Security Guy 2 (Danny's House)
Marcella Plunkett Rachel
Amy Huberman Ms. Carney
Kelly Thornton Linda (uncredited)
Ian Dillon Wedding Guest (uncredited)
Robert Mitchell George
Juliette Crosbie Barbara
Anthony Bregman Producer
Daiana Madeira Stage Manager
Daniel Steinman Executive Producer
Dean Wares Title Designer
Naoimh Whelton Laura
Orén Kinlan Young Thief
Amy Rowan Casting
Kieran Hurley Indigo Dreams Band Member
Isa Mooney Receptionist - MDP
Kai Fung Rieck Security Guy (Danny's House)
Gavin Glass Busker - Guitar & Vocals
Stephen O'Connell Editor
Peter Cron Producer
Mae Higgins Elaine (uncredited)
Ebimie Anthony Mac Darling Employee
Robert Walpole Producer
Eoghan Funge Declan
Dean Panter LA Lawyer (uncredited)
Cillian Byrne Danny's Band - Bass Guitar Player
Keith Potter Executive Producer
Micah Green Executive Producer
Henry Love Indigo Dreams Band Member
Adrian Gaitan LA Partier
Thalia Heffernan Sara
Martha Breen Aisling
Ruby Conway Dunne Linda (uncredited)
Aoife Carney Young Aja
Harry Walpole Lounge Boy
Kelsey Bron Siobhan
Emma Doran Flight Attendant
Peter McGann Mr. Feeney
Rebecca O'Flanagan Producer
Connor DiGregorio Executive Producer
Cathleen Dore Executive Producer
Alexa Scout Fagen Laurie
Aidan Lynch Indigo Dreams Band Member
Anna Carney Production Design
Sarah Hong Co-Producer
Oisin Walsh Agnew Indigo Dreams Band Member
Colm Lyndsey Danny's Band - Electric Guitar Player
Triona Lillis Costume Design
Rachel Grace Danny's Band - Keyboard Player
Emma Rose Creaner Claire
Kellie El Mayss Mick - Lawyer Intern (uncredited)
Dolores Devaujany Duty Nurse
Dylan Kelly Andy
Gary Clark Original Music Composer, Songs
Aaron Delaney Shop Assistant