Say hello to the four new recruits in Judd Apatow's comedic army.

Joining a star-studded cast that already includes Paul Rudd and Leslie Mann in their respective roles as Pete and Debbie from 'Knocked Up' are Chris O'Dowd of 'Bridesmaids'; Lena Dunham of 'Tiny Furniture'; Wyatt Russell of 'Cowboys & Aliens'; and Charlyne Yi, who also had bit role in 'Knocked Up.' Not only has it been confirmed that Yi will be reprising her previous role, but it appears that O'Dowd and Dunham will be play employees at the record label that Rudd works at, Russell will play a hockey player, and we can also expect appearances from Albert Brooks and Megan Fox in some fashion.

While we still haven't heard what the upcoming movie will be about, we do know that Apatow's latest will be set in the world of his 2007 film, 'Knocked Up,' and may or may not be titled 'This Is Forty.'

No word yet on whether Seth Rogen and Katherine Heigl will return, but hit the jump to see what Apatow had to say about why he decided to revisit the world of 'Knocked Up.'
Knocked Up Movie Poster
Knocked Up
Based on 38 critics

Rising journalist Alison Scott (Katherine Heigl) hits a serious bump in the road after a one-night stand... Read More

Cowboys & Aliens Movie Poster
Cowboys & Aliens
Based on 41 critics

Bearing a mysterious metal shackle on his wrist, an amnesiac gunslinger (Daniel Craig) wanders into a... Read More

Funny People Movie Poster
Funny People
Based on 36 critics

Recently learning that he has a fatal disease, comic George Simmons (Adam Sandler) spots a struggling... Read More

This Is 40 Movie Poster
This Is 40
Based on 39 critics

After many years of marriage, Pete (Paul Rudd) is the sole male in a household that includes his wife,... Read More

Tiny Furniture Movie Poster
Tiny Furniture
Based on 30 critics

After graduating from film school, Aura (Lena Dunham) returns to New York to live with her photographer... Read More

Bridesmaids Movie Poster
Based on 39 critics

Annie (Kristen Wiig) is a single woman whose own life is a mess, but when she learns that her lifelong... Read More

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