Hilary Swank (Holly), Gerard Butler (Gerry), Lisa Kudrow (Denise), Harry Connick Jr. (Daniel), Gina Gershon (Sharon), Jeffrey Dean Morgan (William), Kathy Bates (Patricia) more..., James Marsters (John), Nellie McKay (Ciara), Anne Kent (Rose Kennedy), Brian McGrath (Martin Kennedy), Dean Winters (Tom), Sherie Rene Scott (Barbara), Susan Blackwell (Vicky), Michael Countryman (Ted), Roger Rathburn (Minister), Rita Gardner (Elderly Woman), Brian Munn (Patsy), Shepherd Frankel (Guy with Clipboard), Mike Doyle (Leprechaun), Caris Vujcec (Waitress), Alexandra McGuinness (Local Gal), Don Sparks (Mailman)

Wendy Finerman (Producer), Richard LaGravenese (Screenplay), Shepherd Frankel (Production Design), David Moritz (Editor), John Powell (Original Music Composer), Steven Rogers (Screenplay), Cecelia Ahern (Novel) more..., Broderick Johnson (Producer), Andrew A. Kosove (Producer), Molly Smith (Producer), John H. Starke (Executive Producer), Lisa Zupan (Executive Producer), James Hollond (Executive Producer), Donald A. Starr (Executive Producer), Daniel J.B. Taylor (Executive Producer), Terry Stacey (Director of Photography), Cindy Evans (Costume Design), H.H. Cooper (First Assistant Director), G. A. Aguilar (Stunt Coordinator), Aja Frary (Stunt Double),