Alison Sealy-Smith is a Barbadian actress, born and raised in Barbados.
Sealy-Smith attended Mount Allison University where she studied psychology on a scholarship. She is the founding director of Obsidian Theatre, a company that specializes in Black Canadian drama. Sealy-Smith was awarded a Dora Mavor Moore Award for her 1997 star turn in Djanet Sears' Harlem Duet. Her film and television credits have included the series Street Legal, This is Wonderland and The Line, and a recurring role in Kevin Hill. She also had a small role in the 1998 film My Date with the President's Daughter.
Sealy-Smith also provided voices in various cartoons such as Storm on the 1990s X-Men and Scarlett on the cartoon Delilah and Julius. She also played Sergeant Rose in the film Confessions of a Teenage Drama Queen opposite Lindsay Lohan. She has also appeared in many Hollywood films, including Honey opposite Jessica Alba, Dark Water with Jennifer Connelly and Talk to Me with Don Cheadle. As of the mid-2000s, she has a recurring role as Ms. Mann in the children's series Naturally, Sadie. In 2009, she performed as Nurse Lydia in the HBO Canada series Bloodletting & Miraculous Cures.