43 years old (Born on April 13, 1976)
Actor, director, producer, screenwriter; He is famous from Lucas Wolenczak on Sea Quest.He has done more than 85 commercials. Has an action figure based on his character, Lucas Wolenczak, from "SeaQuest DSV" (1993). In the start of his teenage-life, he was considered a bit short. This phenomenon was in fact due to that he was actually also growing as an adult. During filming Sidekicks (1992) he had the same height as Mako (5` 4"). He then seriously grew in his late teenage years. In the last season of "SeaQuest DSV" when he was about 18 years old he reached the height 5` 9". He then kept this height for some few years until during filming of Outside Providence (1999) when he finally received his adult height of 6`. He claimed that his dad was one of the main inspirations in his life, having taught him about the `business from an early age`. The Slainesville Boys (2004), completed in 2003, would have been his directorial debut.
Jonathan Brandis's Best Moments
Fun Facts About Jonathan Brandis
After his death dozens upon dozens of Internet communities and memorial websites were devoted to him.
Date to the high school prom was Brittany Murphy of Clueless (1995), 8 Mile (2002), and Just Married (2003) fame.
He wrote one episode of "SeaQuest DSV" (1993).
An avid Pez collector. As a teenager, in hopes of preparing for a directing career as well as an acting career, he filmed movies starring his friends using a home video camera.
At the 15th Annual Youth in Film Awards, he won Best Youth Actor in a Leading Role in a Television Series for "SeaQuest DSV" (1993).
Was an only child.
Was considered for "Saved by the Bell" (1989).
Dated Monica Keena. 
Auditioned for the role of Anakin Skywalker in Star Wars: Episode II - Attack of the Clones (2002).
Attended a special actors school and graduated after doubling his high school classes.
He was friends with childhood neighbor, actress Juliette Clarke.
He claimed that his dad was one of the main inspirations in his life, having taught him about the 'business from an early age'