John McEnroe

Retired World No. 1 Tennis Player in Singles & Doubles; International Tennis Hall of Famer & Author of "You Cannot Be Serious"

Tyra Banks

Host & Executive Producer, "Dancing With the Stars"; Model, TV Personality, Host of "America's Next Top Model"

Mandy Patinkin

Actor Best Known for "Homeland," "Criminal Minds" and "The Princess Bride"

Scotty McCreery

Country Music Singer and Winner of American Idol Season 10

Go Big or Go Home: The Journey Toward the Dream

Peter Dinklage

Emmy Award-Winning Actor, Known for his Role on "Game of Thrones"

Eva Mendes

Actress; Six-Time ALMA Award Nominee; International Spokeswoman for Revlon Cosmetics

Zosia Mamet

Actress Known for Her Role in HBO's "Girls"

Hope Solo

Former Professional Soccer Goalkeeper; Two-Time Olympic Gold Medalist & World Cup Champion

Kristen Johnston

Emmy Award Winning Actress; Best Known for "3rd Rock From The Sun"

Edgar Ramírez

Actor, most well known for his role as Ares in "Wrath of the Titans."

Bella Thorne

Model, Actress & Author

Clay Aiken

Singer-Songwriter, Runner Up on FOX's "American Idol" & North Carolina Politician

Ryan Phillippe

Actor; "Cruel Intentions," "I Know What You Did Last Summer"