Leah made her debut as Polly Peckham in the American science fiction comedy series They Came from Outer Space in 1990.
CAPTIO Leah Lail debut role of Polly Peckham in the American science fiction comedy series They Came from Outer Space.(SOURCE:m imdb.com)
Leah appeared as Melinda in an episode of the television series She-Wolf of London a year later. She portrayed Marilyn in the live-action television series The Amazing Live Sea Monkeys in 1992. Leah has appeared in a number of films since then, including Body Waves, Heavyweights, and Little Nicky. In 1998, she co-starred with Pamela Anderson and Molly Culver in the American action comedy-drama series V.I.P. as Kay Simmons.
In 2002, Leah was cast as Corinne McCornick in the American police procedural drama television series Without a Trace, opposite Anthony LaPaglia, Poppy Montgomery, and Eric Close. She landed the role of Marcie Lane in the television film American Black Beauty in 2005. Lail made a cameo appearance as Annie Spotnick on the American legal comedy-drama television series Boston Legal in 2006.
Leah hasn’t appeared in the entertainment sector since 2006. She must have given up acting. She now works as a real estate agent in Beverly Hills, California, after retiring from the performing industry.