Sybil Seely (Jan. 2, 1902 – Jun 26, 1984) 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 (1855 – 1949) 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 actor Buster Keaton.