Infinitely Polar Bear is a 2014 American comedy-drama film written and directed by Maya Forbes, and starring Mark Ruffalo, Zoe Saldana, Imogene Wolodarsky, and Ashley Aufderheide.

The girls are embarrassed to live with Cameron, who sometimes abandons them in the middle of the night, is aggressively friendly with their neighbors, and starts countless messy projects, making their apartment nearly unlivable.

Cameron takes them to visit his grandmother, a wealthy Boston Brahmin who controls the family trust, and who pays the cost of their rent-controlled apartment.

[6] Although some people questioned whether Wolodarsky (who had no previous professional acting experience) would be right for the role, Forbes was certain, particularly after seeing her daughter audition with Ruffalo and Saldana.

[6] Forbes told a reporter for USA Today that it was an advantage having her own daughter, Imogene Wolodarsky, play one of the starring roles: "I could make her cry.

[9] After premiering at Sundance, the film was acquired by Sony Pictures Classics for North America, the United Kingdom, Ireland, Germany, Austria, Scandinavia, Eastern Europe and Russia.

The website's critics consensus reads: "Infinitely Polar Bear handles its thorny themes with a somewhat troublesomely light touch, but Mark Ruffalo's complex performance keeps the drama solidly grounded.