Marc Silverstein
Busy Philipps
Judd Apatow
Jason Segel
Britt Robertson
Michelle Williams (actress)
Amy Poehler
Catlin Adams
Rob Corddry
John Hamburg
Susannah Grant
Elizabeth Banks
Kathryn Hahn
Ryan Murphy
Ken Kwapis
Dan Levy (Canadian actor)
Larry Joe Campbell
Carly Craig
Linda Cardellini
Ben Stiller
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John Liman Hamburg (born May 26, 1970) is an American screenwriter, film director and producer. Wikipedia