Career: Margulies' first movie was 1991's Out for Justice. She went on to appear in regional theatre, cropping up occasionally in such TV shows as Law & Order, and Murder, She Wrote. Her big break came in 1994 when she began playing nurse Carol Hathaway in ER. Thanks to her popularity, she was offered a $27million contract to stay with the show, but quit in 2000 to concentrate on theatre roles. Margulies then appeared in the movies Evelyn and Ghost Ship before returning to the small screen in several episodes of The Sopranos, The Lost Room and Canterbury's Law. She's currently the star of legal drama The Good Wife, for which she won a Golden Globe in 2010.

Career: Archie landed a supporting role in the 1999 comedy film East is East, and followed it up with several small TV roles, as well as the smash comedy flick Bend it Like Beckham. Her first Hollywood role was in 2005 as a British diplomat in the Oscar-winning The Constant Gardener in 2005. In the same year she won the Shooting Star Award for her role as the title character in Yasmin at the Berlin Film Festival, and in 2007, she appeared with Angelina Jolie in the movie adaptation of A Mighty Heart. Her performance earned her The Chopard Trophy for a Breakout Performance at the Cannes Film Festival. She joined the cast of critically-acclaimed legal drama The Good Wife in 2009.

Career: O'Mara initially mixed a stage career with work in a number of TV series, including Peak Practice, Berkeley Square, The Bill, Playing the Field, Monarch of the Glen and High Stakes. He made his American TV debut in Steven Spielberg's 2001 miniseries Band of Brothers. He relocated to Los Angeles and went on to star in The Agency, In Justice, Men in Trees, the US version of Life on Mars, Terra Nova, Vegas and The Good Wife.

Career: Cumming's cabaret act, Victor and Barry, with Forbes Masson, was critically acclaimed, winning numerous awards. TV roles quickly followed, but he continued working on the stage. Stints with the Royal Shakespeare Company and the Royal National Theatre raised his profile, as did his accolades following his film debut in the drama Prague (1992). In 1994, he starred in TV sitcom The High Life, closely followed by the movies Circle of Friends (1995), GoldenEye (1995) and Romy and Michelle's High School Reunion (1997). More recently, he has worked on three Spy Kids films (2001-2003), X-Men 2 (2003), The Tempest (2010), Burlesque (2010) and TV drama The Good Wife. A firm favourite on Broadway, Cumming won a Tony Award in 1998 for playing the MC in Caberet. He returned to the role in 2014.