Cesar claims Singer forced Cesar to perform oral and anal sex, even after Cesar refused, according to the complaint.
He is also just the latest powerful Hollywood figure to face allegations of sexual assault and harassment, including movie mogul Harvey Weinstein and film producer Brett Ratner. The incident occurred in Seattle on the yacht of a wealthy tech investor who hosted parties for young gay men in the area.
Singer is likely best known as the director of multiple films in Fox's X-Men franchise, starting with the 2000 original and as recently as 2016's X-Men: Apocalypse.
After the alleged assault, Sanchez-Guzman states in the lawsuit that Singer threatened to ruin his reputation if he came forward.
Cesar Sanchez-Guzman claims Singer sexually assaulted him in 2003, at a party on a yacht owned by Lester Waters.
Davidse sets early Joburg pace
Among the six players tied for second place were Jared Harvey , Ockie Strydom and Erik van Rooyen - all South Africans. This now officially makes the Joburg Open the only tri-sanctioned tournament in South Africa.
"As a result of the misconduct and unlawful acts described herein, Plaintiff has suffered, and continues to suffer, general and special damages", the Pacific Northwest filing on behalf of Cesar Sanchez-Guzman says. He says Singer then forcibly anally penetrated him, all while ignoring Guzman's pleas. Guzman claims he pleaded with Singer to stop, but he kept going. causing him to choke.
You may recall another man, Michael Egan, making similar claims against Singer and other industry power players in 2014.
Singer denied the accusations to TMZ, who first reported the news. The allegations did not hold up in court, and the charges were ultimately dismissed.
It is now unclear whether or not Twentieth Century Fox, the studio behind Bohemian Rhapsody, knew about the allegations outlined in the new lawsuit.
The lawsuit seeks undisclosed damages for "emotional distress, mental anguish, physical and mental pain and suffering, a decrease in his ability to enjoy life, past and future medical expenses, attorneys' fees and costs, and other general and special damages".