The hip hop star, billed as James Todd Smith in the film, will play an ex-con who has a secret crush on the main character, played by Latifah, the Hollywood Reporter said Monday.
In the original Paramount Pictures version, Guinness plays a poor clerk who, upon learning he has only a few months to live, takes one last holiday, during which he's mistaken for an eccentric aristocrat.
In the updated film, Latifah's character is a shy clerk who goes on a European vacation after learning she is terminally ill.
LL Cool J's 11th album, "The DEFinition," was released last month and has sold approximately 460,000 copies to-date in the United States.
Notable deaths of 2014 [PHOTOS]