Jacob Benjamin "Jake" Gyllenhaal ( /ˈdʒɪlənhɔːl/ JIL-ən-hawl; born December 19, 1980) is an American actor. The son of director Stephen Gyllenhaal and screenwriter Naomi Foner, Gyllenhaal began acting at the age of ten. Following his first lead role in 1999's October Sky, he starred in the indie cult hit Donnie Darko (2001), in which he played a psychologically troubled teenager alongside his older sister, actress Maggie Gyllenhaal. In 2004 he appeared in the science-fiction film The Day After Tomorrow, portraying a student caught in a cataclysmic global cooling event. He then played against type as a frustrated Marine in Jarhead (2005). The same year his role as Jack Twist in Brokeback Mountain earned him critical acclaim and an Academy Award nomination for Best Supporting Actor. He has since played the lead roles in many notable films, including Zodiac (2007), Prince of Persia: The Sands of Time (2010) and Source Code (2011).

Gyllenhaal has promoted various political and social causes. He has appeared in Rock the Vote advertising, campaigned for the Democratic Party in the 2004 U.S. presidential election, promoted environmental causes, and campaigned on behalf of the American Civil Liberties Union.

Daniel Jacob Radcliffe (born 23 July 1989) is an English film and stage actor who rose to prominence playing the title character in the Harry Potter film series.

Radcliffe made his acting debut at age ten in BBC One's 1999 television movie David Copperfield, followed by his film debut in 2001's The Tailor of Panama. At age eleven he was cast as the title character in the first Harry Potter film, and he starred in the series for ten years until the release of the eighth and final film in July 2011. He also began to branch out to stage acting in 2007, starring in the London and New York productions of the play Equus and in the 2011 Broadway revival of the musical How to Succeed in Business Without Really Trying. In addition, he starred in 2007's December Boys and the 2012 hit horror film The Woman in Black. He will play beat poet Allen Ginsberg in 2013 indie film Kill Your Darlings.

Radcliffe has contributed to many charities, including Demelza House Children's Hospice and The Trevor Project. He has also made public service announcements for the latter. In 2011, he was awarded the Trevor Project's "Hero Award".