Sean Flynn Biopic In The Works.... The life of Hollywood icon Errol Flynn's son is to be documented in a new biopic.Sean Flynn, an actor-turned-journalist, is the legendary star's son from his first marriage to French actress Lili Damita.Flynn was working as a photojournalist for America's Time magazine when he vanished in the Cambodian jungle in 1970.No one heard from Flynn or his colleague ever again - and their disappearance has remained a mystery.The pair is believed to have been kidnapped by rebels, with many holding the country's former rulers Khmer Rouge or Vietnam's Viet Cong militant group to blame.Now Flynn's disappearance is to be explored in a new project, which is to be developed by Mythic Pictures. Ralph Hemecker will write the script with Perry Deane Young, while Hemecker will also direct, according to the Hollywood Reporter.