Rodrigo Santoro playing Jennifer Lopez's hubby

Actor Rodrigo Santoro is the latest addition to the cast of upcoming movie What To Expect When You"re Expecting. The Brazilian star will play the husband of actress Jennifer Lopez in the Lionsgate's movie. The film will also feature Cameron Diaz, Anna Kendrick and Brooklyn Decker alongside him.

What To Expect When You"re Expecting is an adaptation of the best-selling pregnancy guidebook with the same name. The movie is expected to address a wide range of concerns, problems and life trends. It is being directed by Kirk Jones, who is planning to start his production in Atlanta later this summer.

The movie tracks several couples, who undergo the joys and pains of the childbirth process. Rodrigo Santoro will reprise the role of music businessman, Lopez"s hubby, who is not quite ready to have a child but goes along with his wife"s plan to adopt. Glee star Matthew Morrison, Chris Rock are also in negotiations to join the cast of What To Expect When You"re Expecting.