Sybil Seely was a silent film actress who worked with the well known silent film comedy actor Buster Keaton. She was credited in most of her films as Sibye Trevilla.
Sybil Seely was born Sybil Travilla to Harry Travilla and Lucie Ellen Boyker in Los Angeles, California. She acted in her first film, Hearts and Flowers at the age of 17. She acted in 21 films on record, some of which were filmed with co-actor Buster Keaton. In 1920, she married screenwriter Jules Furthman. They had a son, Jules Jr., born in 1921. In 1922, she retired from her acting career. She died in Culver City, California, at the age of 82.