According to the Hollywood Reporter, "Due Date" star Robert Downey has refused a role in the outer space survival thriller, "Gravity."
However, they are reporting that Downey is in talks in starring in a movie "How to Talk to Girls."
The movie is based on best-selling book with the same name.
It was written by nine-year old Alec Greven.
It offers advice on how to deal with the opposite sex.
It is rumored that Downey and his wife, Susan, will produce the movie.
"Gravity" is Alfonso Cuaron's new outer space thriller.
Sandra Bullock is in talks to play the lead female.
Downey is currently filming the sequel to "Sherlock Holmes."