2021

Greenland

Working on an under-ice sequence for the Netflix Our Oceans series, for the Arctic program.

2021

Simon's Town

On assignment for Netflix, filming for the Netflix Oceans series which is currently in production and should be released in 2024.

2021

Alaska

Deep in a smack of jellyfish while filming for the Apple TV Underwater Screensaver Project, which was produced by Jonathan Smith and the BBC Natural History Unit. ‍

2021

Cape St Francis

Filming Cape Hope Squid or Chokka (Loligo reynaudii) in Cape St Francis for the Octopus episode of Animal series Season One on Netflix, produced by Anushka Schofield.

2020

London

Recipient of the Critics Choice Documentary Award for best Cinematography for My Octopus Teacher

2019

Cape Town

In Cape Town filming screensavers for the Apple TV Underwater project, for series producer Jonathan Smith.

2018

London

BAFTA Awards, with Ted Giffords, Best Cinematography for a Documentary Series for Blue Planet 2.

2018

Costa Rica

Filming Spinner Dolphins off the coast of Costa Rica for the High Seas episode of Our Planet, Netflix with producer Hugh Pearson for Silverback Films.

2017

Indonesia

With producer Hugh Pearson filming for Shallow Seas, Our Planet. This shoot produced two "bookend" sequences for the Shallow Seas Ep, one that introduced the Shallow Seas episode and one that finished it.

2016

Cape Town

In the Great African Kelp Forests, filming for the Green Forest Episode of Blue Planet 2, for producers Joe Stevens and Katherine Jeffs, with Craig Foster, John Chambers and Dan Beecham.

2014

Azores

Filming Mobula Rays (Mobula tarapacana) in the Azores for the second episode of Atlantic, The Wildest Ocean on Earth, for producer Ted Giffords. This three part mini landmark series was produced by the BBC

2014

Azores

Filming Blue Sharks (Prionace glauca)in the Azores for the Second Episode of Atlantic, The Wildest Ocean on Earth, for producer Ted Giffords.

2009

Okavango Delta

With Didier Noirot, the "Old Bull", filming nile crocodiles in the Okavango Delta for "Into the Dragons's Lair", produced and directed by Craig and Damon Foster.

Roger developed his underwater field craft as a competitive spear fisherman while studying for an Honours Degree from the University of Natal in South Africa. He continued to dive while working in the digital and financial services sectors, and furthered his management training at the UCT Graduate School of Business and the London Business School.

In 2007 he began working for the BBC Natural History on the Nature's Great Events series directed by Hugh Pearson, and began his apprenticeship under cameramen Didier Noirot and Doug Anderson. During this period he narrated and co-directed three documentaries with Craig and Damon Foster. The first of these "Into the Dragon's Lair", was nominated for an Emmy for best Cinematography in 2010, and the sequel, 'Touching the Dragon" was selected as one of the feature shows for National Geographic's 125th centenary year celebrations. Roger was also nominated for Best Narration at Jackson Hole .

In 2011 he shot his first blue chip sequence for John Downer's "Earthflight", for producer Rob Pilley. This was followed by a long term assignment from John Downer to film bottle-nose dolphins for the "Spy in the Pod" series which aired on BBC One in 2013, and two sequences on the BBC Atlantic series for producer Ted Giffords 2010.

In 2015 and 2016 he spent 110 days filming for Silverback Films on Disneynature's "Blue", for director Keith Scholey and worked as a second unit DOP on the National Geographic "Into the Okavango" feature directed by Neil Gelinas.

In 2017 Roger was appointed as the underwater DOP on the National Geographic Pristine Seas Expedition to Tristan da Cunha, led by Paul Rose, working for producer Alex Verville. For Blue Planet 2, released in October 2017, Horrocks received cinematography credits on four of the six main episodes, shooting for producers Jonathan Smith, Katheryn Jeffs and Joe Steven. For his contribution to the series has was awarded a BAFTA for Outstanding Cinematography in 2018.

Between 2015 and 2018 Roger worked for producer Hugh Pearson on the Coastal Seas and High Seas episodes of the Netflix original series “Our Planet”, produced by Silverback Films.  He won a nomination alongside cameraman Jamie McPherson for Outstanding Cinematography for a Nonfiction Program at the 2019 Prime Time Emmy Awards on Los Angeles.

In 2019 Roger was one of two Underwater DOPs hired by Jonathan Smith of the BBC Natural History Unit to shoot underwater screensavers for Apple TV. He also began initial work on the oceans episode of Planet Earth 3

In 2020 Roger contributed two sequences to the Animal series on Netflix, produced by Plimsoll Productions., and worked on a sequence for Silverback TV for a new series to be released in 2023.

In 2021 and 2022, Roger has been working exclusively on a new ocean series for Netflix, produced by Wildspace