Early-life: Matthew David McConaughey was born in Texas on November 4, 1969, and is the youngest of three brothers. His teacher mother and oil-pipe salesman father had something of a volatile relationship - during their 39 years together, they divorced and remarried each other several times. Matthew's original ambition was to be a lawyer, and after graduating from high school, he spent a year in Australia as an exchange student. However, while at university, he developed a passion for acting, and decided to study film.

Early-life: Born Laura Jeanne Reese Witherspoon on March 22, 1976, in Nashville, Tennessee, to surgeon John and nursing teacher Betty. She travelled a lot during her childhood as her father was a military doctor. She modelled, acted in local commercials, and won a talent contest at 11. At 16 she attended an open audition for movie extras and impressed director Robert Mulligan so much that he offered her the lead role in 1991 movie The Man In The Moon, which gained great acclaim. She went to Stanford University, but took a break from studying in 1998 when her career took off.

Early-life: Seth Woodbury MacFarlane was born in Kent, Connecticut, on October 26, 1973 to Ann and Ronald. His sister is voice actor Rachael Ann MacFarlane. Seth knew from an early age that he wanted to develop his interest in animation. He began publishing a weekly comic strip entitled Walter Crouton for a local newspaper. His parents gave him an 8mm camera and he went on to study film, video and animation at the Rhode Island School of Design (RISD). During his time as a student, he performed stand-up and also created animated short The Life of Larry. On the back of this short, he was hired by Hanna-Barbara, where he worked as an animator and a writer for Cartoon Network's Cartoon Cartoons series. During his time at the studio, he also worked on Dexter's Laboratory, Cow and Chicken, I Am Weasel and Johnny Bravo. He also worked freelance on projects for Walt Disney, writing for Ace Ventura: Pet Detective.

Early-life: Scarlett Johansson was born in New York on November 22, 1984, to parents Melanie and Karsten. She has a twin brother Hunter, as well as siblings Vanessa and Adrian. Scarlett demonstrated a passion for acting from a very young age and featured in many plays. At the tender age of 10, she landed her first role in the 1994 comedy drama North, which also starred Elijah Wood. She honed her talent in a series of projects including the movies Just Cause and Home Alone 3, as well as the TV drama The Client.

Early-life: John Christopher Reilly was born on May 24, 1965 in Chicago, Illinois. He was raised Roman Catholic, although he no longer practices the religion, and attended Brother Rice High School. John studied at DePaul University.

Early-life: Taron David Egerton was born in Birkenhead on November 10, 1989. His family moved to Wales during his childhood and he considers himself to be Welsh. He graduated from Rada in 2012 and made his acting debut in a two-part Lewis story.

Early-life: Born Jennifer Jane Saunders on July 6, 1958, in Sleaford, Lincolnshire. Her father was in the RAF and she briefly spent time on the same forces camp as her future comedy partner Dawn French, but the pair never met as children. Instead, they got to know each other while attending London's Central School of Speech and Drama in 1977, where they were both on a teaching training course. They later teamed up with Adrian Edmondson, Rik Mayall, Nigel Planer, Alexei Sayle and Peter Richardson to create the The Comic Strip Presents series.