Former child star O'Brien will collect the Legend In Film Award and will appear at a screening of Meet Me In St Louis, for which she won the Academy's Juvenile Award as the outstanding child actress of 1944.
McDowell, who is best known for his roles in A Clockwork Orange, Gangster No.1, and If , will be presented with the Career Achievement Award and Singh will be presented with the World Visionary Award. Singh has produced more than 50 films since 1983, among them Sarafina!, Red Dust, and Cry, The Beloved Country.
Kilcher will receive the Shooting Star Award following her breakout performance in Terrence Malick's 2005 historical drama The New World.
An avid campaigner, Kilcher is filming a documentary about environmental pollution in the Peruvian Amazon and recently presented her findings to the United Nations.
For more information about the festival visit the official website at www.pbifilmfest.org.