Martin Henderson (born 8 October 1974) is a New Zealand actor. He is known for his roles on the American medical drama series Off the Map as Dr. Ben Keeton (2011), the medical drama series Grey's Anatomy as Dr. Nathan Riggs (2015–2017), the Netflix romantic drama Virgin River as Jack Sheridan (2019–present), and for his performance as Noah Clay in the 2002 horror film The Ring, while remaining known in his home country for his teenage role as Stuart Neilson in the soap opera Shortland Street (1992–1995). Early life Henderson was born in Auckland, and began acting at the age of thirteen, appearing in Strangers, a local television production. He attended Birkenhead Primary Northcote Intermediate and Westlake Boys High schools. He turned down going to study at university when he was 17, in favour of acting. Career Henderson starred as Stuart Neilson in the prime-time soap opera Shortland Street from 1992 to 1995. He subsequently appeared in a number of Australian films and television productions including Echo Point and Home and Away, before moving to the United States in 1997, to pursue a career in Hollywood films and to train in a two-year program at the Neighborhood Playhouse in New York City. In 1999, he appeared in Kick, for which he was nominated for an AACTA Award for Best Actor in a Supporting Role in 2000. After more than a year unsuccessfully auditioning for film roles in Los Angeles, in 2001 he was cast in a supporting role in the John Woo-directed war film Windtalkers. In 2002, Henderson starred opposite Naomi Watts in the horror film The Ring. Following the box office success of the film, he was cast as Drew in Perfect Opposites, and subsequently as the lead character in the biker film Torque, released in early 2004. Later that year, he starred opposite Aishwarya Rai in the British romantic film Bride and Prejudice and appeared in Britney Spears' "Toxic" music video. In 2005, he appeared in the award-winning Little Fish starring Cate Blanchett. In 2006, Henderson received rave reviews in London's West End in a theatre production of Fool for Love with Juliette Lewis. He was set to star alongside Jordana Brewster in the television series adapted from the 2005 film Mr. & Mrs. Smith. However, the series was not picked up by any network. In 2006, he appeared in the movie Flyboys. He also appeared in a