Chris Pratt, Elizabeth Banks, Will Arnett and Morgan Freeman were previously announced for the upcoming 3D animated feature. The first full-length Lego theatrical feature has a Feb. 7, 2014 release date.
The story revolves around an average Lego figure (Pratt) who is mistakenly identified as having extraordinary abilities that would enable the character to save the world.
Ferrell will voice President Business, an enemy of the film's hero, with Neeson as his powerful henchman, Bad Cop. Offerman is a pirate obsessed with revenge against the president.
Ferrell, Neeson and Offerman all have films in current release: Ferrell in “Wreck-it Ralph,” Neeson in “Taken 2” and Offerman in “Smashed.” Offerman is a regular on NBC's "Parks & Recreation."
The story was first reported by Deadline.com.