Episode 21 | Season 4 2008 - 2009 | First Aired: 9/01/2009

Synopsis:

The first 10 acts from the top 20 perform live for a chance to win a one million dollar prize and become the most talented person in America.

Russell Norman

Director

Judge

Judge

Judge

Host

Executive Producer

Executive Producer

Executive Producer

Georgie Hurford-Jones

Executive Producer

James McKinlay

Co-Executive Producer

Tabitha Hanson Obtulowicz

Co-Executive Producer

Supervising Producer

Supervising Producer

Producer

Producer

Segment Producer

Associate Producer

Consulting Producer

Segment Producer

Associate Producer

Executive Producer

Supervising Producer

Producer

Producer

Producer

Associate Producer

Associate Producer

Co-Executive Producer

Brian Friedman

Consulting Producer

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America's Got Talent: Episode 421