The Toronto International Film Festival planned to reveal its 40-50 titles Tuesday morning — including its Opening Night selection — although the chatter around Hollywood has already revealed several titles expected to wind up in the mix. They include:• Argo — The third film from director Ben Affleck finds the helmer starring as an exfiltration specialist who concocts a risky plan to free six Americans who get caught up in the Iranian revolution. Warner Bros. will release the GK Films production stateside on October 12. Pic feels like a strong fit for Toronto’s opening or closing night. • Barbara — This German film from writer-director Christian Petzold follows a doctor working in 1980s East Germany who finds herself banished to a small country hospital. •End of Watch — David Ayer’s police drama starring Jake Gyllenhaal and Michael Pena has been picking up strong buzz along the pre-release screening circuit. Open Road Films just moved up its U.S. release by one week, to Sept. 21. • Mekong Hotel — Apichatpong Weerasethakul, who directed festival hit “Uncle Boonme Who Can Recall His Past Lives,” will bring this tale of a filmmaker who rehearses a movie expressing the bonds between a vampire-like mother and daughter. • Mister Pip — “The Chronicles of Narnia” helmer Andrew Adamson directed this Olympus Pictures production starring Hugh Laurie. • The Perks of Being a Wallflower — Summit Entertainment is releasing Stephen Chbosky’s adaptation of his own young adult novel, which stars Logan Lerman, Emma Watson and Ezra Miller as high school students. Pic opens in mid-September. • The Place Beyond the Pines — “Blue Valentine” helmer Derek Cianfrance reteams with Ryan Gosling for this multi-generational crime tale, which co-stars Bradley Cooper, Eva Mendes and Rose Byrne. “Chronicle” star Dane DeHaan has been getting buzz for his perf as Gosling’s vengeful son. • Satellite Boy — This Aussie film from writer-director Catriona McKenzie follows two young boys who get lost in the Australian outback as they try to save an abandoned outdoor cinema where one of them lives with their grandfather. • The (Secret) Disco Revolution — One of two titles tipped by Playback’s sister publication realscreen, this documentary is directed by Jamie Kastner. • The Stories We Tell — A documentary directed by Sarah Polley that was also tipped by realscreen. • Tabu — A Portugese production from director Miguel Gomes. • Thanks for Sharing — Stuart Blumberg’s directorial debut stars Mark Ruffalo, Gwyneth Paltrow, Tim Robbins, Josh Gad and Pink as people undergoing treatment for sex addiction. This will likely be a top acquisition title. • The Sessions – Fox Searchlight spent big bucks picking up Ben Lewin’s moving drama at Sundance, where John Hawkes and Helen Hunt started picked up awards buzz for their performances as a disabled man and the sex surrogate he hires to take his virginity. Other major titles to keep an eye on include Kristin Wiig-starrer “Imogene,” which hails from “American Splendor” directors Shari Springer Berman and Robert Pulcini; Terrence Malick’s “To the Wonder,” starring Ben Affleck, Rachel Weisz, Rachel McAdams and Javier Bardem; Paul Thomas Anderson’s “The Master,” starring Philip Seymour Hoffman, Joaquin Phoenix and Amy Adams; Robert Redford’s political thriller “The Company You Keep,” which pairs the helmer with Shia LaBeouf; and the Coen brothers’ folk music pic “Inside Llewyn Davis,” which stars “Drive” thesps Oscar Issac and Carey Mulligan, as well as Justin Timberlake.