Lurie Poston is an American SAG

Screen Actors Guild

The Screen Actors Guild is an American labor union representing over 200,000 film and television principal performers and background performers worldwide...

 child actor

Child actor

The term child actor or child actress is generally applied to a child acting in motion pictures or television, but also to an adult who began his or her acting career as a child; to avoid confusion, the latter is also called a former child actor...

 and singer.

Poston began his career in the cast of the Broadway Musical Chitty Chitty Bang Bang

Chitty Chitty Bang Bang (musical)

Chitty Chitty Bang Bang, also known as Chitty the Musical, is a stage musical based on the 1968 film produced by Cubby Broccoli. The music and lyrics were written by Richard and Robert Sherman with book by Jeremy Sams.-Productions:...

, acting in over 300 performances. In 2003, he had a small part playing a younger version of one of the main characters in the film Girls Will Be Girls. He also acted in the 2007 film Walk Hard: The Dewey Cox Story

Walk Hard: The Dewey Cox Story

Walk Hard: The Dewey Cox Story is a 2007 music comedy film written and produced by Judd Apatow and Jake Kasdan, directed by Kasdan and starring John C. Reilly...

, and he played Tommy Huff in the 2008 film Step Brothers

Step Brothers (film)

Step Brothers is a 2008 American slapstick buddy-comedy film directed by Adam McKay, produced by Judd Apatow and Jimmy Miller, and stars Will Ferrell and John C. Reilly, who originally teamed up in Talladega Nights . The screenplay was written by Ferrell and McKay, from a story written by Ferrell,...

with Will Ferrell

Will Ferrell

John William "Will" Ferrell is an American comedian, impressionist, actor, and writer. Ferrell first established himself in the late 1990s as a cast member on the NBC sketch comedy show Saturday Night Live, and has subsequently starred in the comedy films Old School, Elf, Anchorman, Talladega...

 and John C. Reilly

John C. Reilly

John Christopher Reilly, Jr. is an American film and theater actor, singer, and comedian. Debuting in Casualties of War in 1989, he is one of several actors whose careers were launched by Brian De Palma. To date, he has appeared in more than fifty films, including three separate films in 2002...

.

Poston had a starring role as Joshua Dowd in James Vasquez

James Vasquez

James Vasquez is an American actor, writer, and director.Vasquez is originally from Escondido, California, United States.As an actor, Vasquez has appeared off Broadway with The Public Theater in New York City, at the Old Globe Theatre in San Diego, and in the Alabama Shakespeare Festival.Vasquez...

' 2008 award-winning feature film Ready? OK!, with Carrie Preston

Carrie Preston

Carrie Preston is an American film and television actress, producer and director. Her husband is actor Michael Emerson, and her brother is actor John G. Preston.-Early life:...

 and Michael Emerson

Michael Emerson

Michael Emerson is an American actor who is perhaps best known for his roles as Benjamin Linus on Lost and fictional serial killer William Hinks in The Practice.-Early life:...

.

Poston recently appeared in the 2010 film Knucklehead

Knucklehead (film)

Knucklehead is a comedy film starring WWE Superstar Big Show , Mark Feuerstein, Melora Hardin and Dennis Farina. Its was released on October 22, 2010 in select theatres...

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