He found early success by gaining 30 to 40 pounds for his role as Andy Dwyer in Parks and Recreation, noting that being "clownish, fatter, sweatier" garnered more laughs.
Pratt initially struggled to secure leading roles, often being cast as minor "boyfriend" characters despite his aspirations.
His roles in Moneyball and Zero Dark Thirty, taken between seasons of Parks and Recreation, marked a turning point in his career.
A significant physical transformation for his role as Star-Lord in Marvel's Guardians of the Galaxy, followed by parts in The Avengers and Jurassic World series, solidified his status as an action star.