Nicholas Hammond (born 15 May 1950) is an American and Australian actor and writer who is best known for his roles as Friedrich von Trapp in the film The Sound of Music and as Peter Parker/Spider-Man in the 1970s television series The Amazing Spider-Man.

Hammond's parents had met and married in London during World War II when his father had been posted in the United Kingdom.

After this, Hammond played what was to be his most notable screen role: Friedrich von Trapp (the elder of the two boys) in the 1965 hit The Sound of Music.

In 1973 he made a guest appearance on The Brady Bunch in season 4, episode #090, "The Subject Was Noses", as the high school hunk, Doug Simpson, who loses interest in Marcia after her tragic football accident.

In the late 1970s Hammond re-joined fellow The Sound of Music alumnus Heather Menzies (who played Louisa von Trapp) for one episode of the TV adaptation of Logan's Run.

[7] After the Spider-Man series ended, Hammond guest-starred on a number TV shows of the early 1980s, including The Love Boat, Magnum, P.I., Murder, She Wrote, and he played recurring roles on Falcon Crest and Dallas.

In 2009, he made his directing debut with Lying Cheating Bastard, a play he co-wrote with magician James Galea.

[12] He has remained close friends with his Sound of Music siblings, several of whom joined a multitude of other actors and co-stars for the 'Save the Rose Theatre' campaign's street event, amid talent from many international productions.