David Tennant (born David John McDonald; 18 April 1971) is a Scottish actor. In addition to his work in theatre, including a widely praised Hamlet, Tennant is best known for his role as the tenth incarnation of the Doctor in Doctor Who, along with the title role in the TV serial Casanova (2005) and as Barty Crouch, Jr., in the film Harry Potter and the Goblet of Fire (2005).

Tennant was born in Bathgate, West Lothian, Scotland, the son of Essdale Helen (née McLeod) and The Rev. Alexander McDonald (known to family and friends as Sandy McDonald). He grew up with his brother Blair and sister Karen in Ralston, Renfrewshire, where his father was the local Church of Scotland minister. Tennant's maternal great-grandparents, William and Agnes Blair, were staunch Protestants from Derry in Ulster, the northern province of Ireland, and were among the signatories of the Ulster Covenant in 1912; William was a member of the Grand Orange Lodge of Ireland. Tennant's maternal grandfather, footballer Archie McLeod, met William and Agnes's daughter Nellie while playing for Derry City.

Jennifer Lynn Lopez (born July 24, 1969) is an American actress, businesswoman, dancer and recording artist. Often referred to as J.Lo, she is reportedly the highest earning actress of Latin descent. Born and raised in The Bronx, New York, she enrolled in singing and dancing classes as a child and grew up in a musically influenced household. She started her career as a fly girl on the television comedy program In Living Color and a back-up dancer for Janet Jackson. Lopez gained recognition in the action-thriller Money Train (1995). Her first leading role was in the biographical film Selena (1997), which was her breakthrough role, earning her an ALMA Award for Outstanding Actress and Golden Globe nomination. She earned her second ALMA Award for her performance in Out of Sight (1998), which made her the highest-paid Latin actress. She has since appeared in various films including The Cell (2000), The Wedding Planner (2001), Maid in Manhattan (2002), Shall We Dance? (2004), Monster-in-Law (2005), The Back-up Plan (2010) and What to Expect When You're Expecting (2012).

Steven John "Steve" Carell ( /kəˈrɛl/; born August 16, 1962) is an American comedian, actor, voice artist, producer, writer, and director. Although Carell is notable for his role on The Daily Show with Jon Stewart, he found greater fame in the late 2000s for playing Michael Scott on The Office. He has also starred in lead roles in the films The 40-Year-Old Virgin, Little Miss Sunshine, Evan Almighty, Dan in Real Life, Get Smart, Date Night, Dinner for Schmucks, and Crazy, Stupid, Love.; and voiced characters in the animated films Over the Hedge, Horton Hears a Who!, and Despicable Me. Carell was nominated as "America's funniest man" in Life magazine, and received a Golden Globe Award for Best Actor in a Television Comedy Series for playing the lead role of Michael Scott for The Office in 2006.

Carell, the youngest of four brothers, was born at Emerson Hospital in Concord, Massachusetts, and was raised in nearby Acton by his parents, Harriet T. (née Koch), a psychiatric nurse, and Edwin A. Carell, an electrical engineer. His maternal uncle, Stanley Koch, worked with Allen B. DuMont to create cathode ray tubes. Carell's paternal grandfather was Italian; his father was born with the surname "Caroselli", later shortening it to "Carell". Carell was raised Roman Catholic, and was educated at The Fenn School and Middlesex School. Carell also played ice hockey as a teenager for his high school.^{[citation needed]} He played the fife, performing with other members of his family, and later joined a reenacting group portraying the 10th (North Lincoln) Regiment of Foot. Carell attributed his interest in history to this, in which he earned his degree from Denison University in Granville, Ohio in 1984. While at Denison, Carell was a member of Burpee's Seedy Theatrical Company, a student-run improvisational comedy troupe.