A well known voice in Hollywood has been silenced.  Don LaFontaine, best known for his appearance in the Geico commercials, died Monday.

He was known as the "King of Voiceovers" and made famous through thousands of movie trailers.  He is most famous for the line, "In a world...".

The cause of death is not official yet, but his agent says he died from a collapsed lung.

He recorded almost 5,000 movie trailers and nearly 350,000 commercials, programs, files, and other presentations.  His most recent work included Geico Insurance commercials where he was referred to as "that announcer guy". 

He is survived by his wife, singer/actress Nita Whitaker, and three children.