Martin Henderson began his acting career at the age of 13 and appeared in a local television production called Strangers. Later, he appeared in a New Zealand prime-time soap opera Shortland Street, which was created by Bettina Hollings. After his successful career as an actor, Martin appeared in an Australian movie Kick, which was directed by Lynda Heys. The co-stars of this movie are Russell Page, Rebecca Yates, and Radha Mitchell.
Later, Martin appeared in a biographical adventure movie Everest, which was directed by Baltasar Kormákur. The co-stars of this movie are Josh Brolin, Robin Wright, Keira Knightley, and Jake Gyllenhaal. The movie became a huge hit and made a collection of $203.4 million at the box office against the budget of $55 million.
Recently, Martin appeared in an American horror movie The Strangers: Prey at Night, which was directed by Johannes Roberts. The cast members of this movie are Bailee Madison, Lewis Pullman, and Christina Hendricks. The total budget for this movie was $5 million and grossed $22.8 million at the box office.
Similarly, Martin appeared in numerous other movies and television series like, Windtalkers, The Ring, Bride and Prejudice, The Moment, Devil's Knot, Miracles from Heaven, Shortland Street, Home and Away, Off the Map, The Red Road, Secrets & Lies, and Grey's Anatomy.
Martin is a holder of dual nationality; he holds both American and New Zealanders citizenship and belongs to white ethnicity. Currently, he is in a romantic relationship with Helen Randag, his co-star in TV series named Grey's Anatomy. The couple may get married soon as they are currently dating.
Apart from this, he has also been in many short-term relationships. The list of Martin's girlfriends includes Demi Moore, Radha Mitchell, Nicky Watson, and Marnette Patterson.
As a popular actor, Martin earns a huge amount of money from his professional acting career. He has appeared in numerous movies and television series from which he must have collected a decent amount of salary. According to some online sources, his current net worth is estimated to be $0.5 million.