Joaquin Phoenix character Theodore Twombly
Scarlett Johansson character Samantha (voice)
Amy Adams character Amy
Rooney Mara character Catherine Klausen
Olivia Wilde character Blind Date
Chris Pratt character Paul
Matt Letscher character Charles
Portia Doubleday character Surrogate Date Isabella
Spike Jonze character Alien Child (voice)
Bill Hader character Chat Room Friend #2 (voice)
Kristen Wiig character SexyKitten (voice)
Artt Butler character Text Voice (voice)
SoKo character Isabella (voice)
Brian Cox character Alan Watts (voice)
Luka Jones character Mark Lewman
Sam Jaeger character Dr. Johnson
Pramod Kumar character Pizza Vendor
Evelyn Edwards character Mother Who Dated Pricks
Lil Buck character Busker / Dancer
Lynn Adrianna character Letter Writer #1
Lisa Renee Pitts character Letter Writer #2
Gabe Gomez character Letter Writer #3
May Lindstrom character Sexy Pregnant TV Star
David Azar character Theodore's Divorce Attorney
Guy Lewis character Marriage Counselor
Melanie Seacat character Nice Lady
Steve Zissis character New Sweet Boyfriend of Mother Who Dated Pricks
Dane White character Son
Nicole Grother character Daughter
James Ozasky character Catherine's Dad
Samantha Sarakanti character Mother of Newborn
Gracie Prewitt character Jocelyn
Claudia Choi character Uncomfortable Waitress
Laura Kai Chen character Tatiana
Wendy Leon character Grocery Shopper
