Summary
In the not so distant future, Theodore, a lonely writer, purchases a newly developed operating system designed to meet the user's every need. To Theodore's surprise, a romantic relationship develops between him and his operating system. This unconventional love story blends science fiction and romance in a sweet tale that explores the nature of love and the ways that technology isolates and connects us all.
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Cast
Joaquin Phoenix
Theodore
Scarlett Johansson
Samantha (voice)
Lynn Adrianna
Letter Writer #1
Lisa Renee Pitts
Letter Writer #2
Chris Pratt
Paul
Artt Butler
Text Voice (voice)
May Lindstrom
Sexy Pregnant TV Star
Rooney Mara
Catherine
Bill Hader
Chat Room Friend #2 (voice)
Kristen Wiig
SexyKitten (voice)
Brian D. Johnson
OS1 Commercial Lead
Amy Adams
Amy
Matt Letscher
Charles
Olivia Wilde
Blind Date
David Azar
Theodore's Divorce Attorney
Melanie Seacat
Nice Lady
Pramod Kumar
Pizza Vendor
Evelyn Edwards
Mother Who Dated Pricks
Steve Zissis
New Sweet Boyfriend of Mother Who Dated Pricks
Dane White
Son
James Ozasky
Catherine's Dad
Samantha Sarakanti
Mother of Newborn
Luka Jones
Lewman
Gracie Prewitt
Jocelyn (Birthday Girl)
Claudia Choi
Uncomfortable Waitress
Laura Kai Chen
Tatiana
Portia Doubleday
Surrogate Date Isabella
SoKo
Isabella (voice)
Wendy Leon
Grocery Shopper
Lil Buck
Busker / Dancer
Brian Cox
Alan Watts (voice)
Alia Janine
Commuter (uncredited)