15 stars you didn’t know were Emmy nominees: Leonardo DiCaprio, Katy Perry …

As everyone looks to the major nominees for star-studded battles, let’s not forget that many familiar faces are popping up left and right in some less-publicized Emmy categories. The majority of these winners will be announced at the Creative Arts Emmys, eight days before the primetime telecast on September 20.

Five-time Oscar-nominee Leonardo DiCaprio can add an Emmy bid to his list for producing the documentary “Virunga,” which competed at this year’s Academy Awards. Indeed, there was quite a bit of crossover in the Documentary category, with victor “Citizenfour” receiving nominations for director Laura Poitras for Directing and Cinematography in Nonfiction Programming, as well as Editing and Exceptional Merit in Documentaries; while Rory Kennedy‘s “Last Days in Vietnam” reaped a Writing bid. Those two films aren’t competing against “Virunga,” which begs the question: will DiCaprio win an Emmy before an Oscar?

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Tom Hanks, who has six Emmys (for producing “From the Earth to the Moon,” “John Adams,” “The Pacific” and “Game Change,” and producing and directing “Band of Brothers”) to go with his two Best Actor Oscars (for “Philadelphia” and “Forrest Gump”), received nomination number-13 today for Documentary or Nonfiction Series for “The Sixties,” for which he competed last year in Documentary or Nonfiction Special: perhaps this slight change in category could result in win number-seven.

Former “Parks and Recreation” star Rashida Jones received her first Emmy nomination today for Exceptional Merit in Documentary Filmmaking for the sex trade doc “Hot Girls Wanted.” Sh’’ll have to face off against Oscar champ “CitizenFour” and PBS’s “The Great Invisible” for that honor.

In the Short Format Live Action Entertainment category, we find former winners Zach Galifianakis and Rob Corddry facing off once again for “Between Two Ferns” and “Childrens Hospital,” respectively. Both funnymen will have to compete with Katy Perry, nominated for the first time for her performance during the Super Bowl XLIX Halftime Show.

Darren Criss reaped a songwriting bid for his original tune “This Time,” from the series finale of “Glee” (click here for our exclusive webchat). He’s nominated against Oscar winners Robert and Kristen-Anderson Lopez (“Frozen“), who hope to add a Primetime Emmy to their mantle for the work on either “The Comedians” or “The Oscars”; Robert previously won two Daytime Emmys for his work on “Wonder Pets” in 2008 and 2010, making him only the 12th EGOT-winner ever.

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Speaking of music, former Nirvana member Dave Grohl received two nominations for producing and directing the special “Foo Fighters: Sonic Highways.” He’s competing against “Anthony Bourdain: Parts Unknown,” “Inside the Actors Studio,” “Star Talk with Neil deGrasse Tyson,” and Bill Maher‘s “Vice.”

24 years after receiving a Guest Actor in a Drama Series nomination for “Road to Avonlea,” Peter Coyote is back in the race for narrating “The Roosevelts: An Intimate Portrait.” Also competing is two-time Oscar-nominee Miranda Richardson (Best Supporting Actress for “Damage” in 1992, Best Actress for “Tom & Viv” in 1994), in the running for the very first time for “Operation Orangutan.”

And let’s not forget Mark Wahlberg, an Oscar-nominee for “The Departed” (2006) who’s also been nominated three times at the Emmys for “Entourage” (Comedy Series), twice for “Boardwalk Empire” (Drama Series), and now twice for the reality show “Wahlburgers” (Unstructured Reality Program). This is also the second nomination for Walhberg’s brother, Donnie.

It all just goes to show that when it comes to winning Emmys, stars aren’t afraid to stretch themselves beyond the acting categories.

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