Sean Maguire (born 18 April 1976 in Ilford, London) is an English actor and singer, who rose to fame in 1988 when at the age of eleven he took on the role of "Tegs" Ratcliffe on the BBC children's drama Grange Hill, in which he remained until 1992. For a short time after leaving Grange Hill, he played Aidan Brosnan in EastEnders.
Maguire has appeared in several feature films and had moderate success as a singer. He is known in the United States for his roles as Donovan Brink on the UPN sitcom Eve, and as Kyle Lendo in the CBS sitcom The Class. Maguire appeared in the second series of Scott & Bailey as P.C. Sean McCartney. He previously played Robin Hood in ABC's Once Upon a Time, having taken over the role from Tom Ellis.
Maguire's first role was at the age of five, opposite Laurence Olivier in A Voyage Round My Father. At age seven, he played one of the many children in the "Every Sperm is Sacred" musical number in the 1983 film Monty Python's The Meaning of Life. In 1993, Maguire joined the cast of the British soap opera EastEnders playing Aidan Brosnan, a young Irish footballer playing for fictional side Walford F.C. In 1994, he left the show to take a starring role in the BBC drama series Dangerfield, playing Marty Dangerfield. He has also appeared in Holby City and Sunburn. In 1995, Maguire was voted "3rd person you'd most like to see get messy" by CBBC viewers and famously received a custard pie in his face from presenter Chris Jarvis dressed as "The Anorak."