Robert Patrick "Robbie" Amell (born April 21, 1988) is a Canadian actor, who is best known for his role on the Nickelodeon series True Jackson, VP, Picture This, and Fred Jones in the television films Scooby-Doo! The Mystery Begins and Scooby-Doo! Curse of the Lake Monster. In 2011, he appeared in the role of "Scooby", Robin's Canadian dog-like boyfriend in the CBS comedy series How I Met Your Mother. Description above from the Wikipedia article Robbie Amell, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Robbie Amell plays as Nathan in Upload.
Robbie Amell is the top #1 member of the cast and appears in 10 episodes.

Andy Allo (born 13 January 1989) is a Cameroonian-American singer-songwriter, guitarist and actress.[1] She released her first of three albums in 2009, and joined Prince's band, The New Power Generation, in 2011. She had a recurring role in three episodes of the comedy-drama series The Game in 2011, followed by a number of other roles, including a supporting role in the 2017 film Pitch Perfect 3 and the lead role of Nora in Amazon Prime's series Upload (2020).

Andy Allo plays as Nora in Upload.
Andy Allo is the top #2 member of the cast and appears in 10 episodes.

Allegra Edwards is an American television actress known for playing Cindy McCabe in the USA Network anthology series Briarpatch and Ingrid Kannerman in the Prime Video comedy Upload.

Allegra Edwards plays as Ingrid Bannerman in Upload.
Allegra Edwards is the top #3 member of the cast and appears in 10 episodes.

Zainab Johnson is an American comedian and actress. She is best known as a semi-finalist on NBC's Last Comic Standing. Johnson is a series regular on Amazon's Upload.

Zainab Johnson plays as Aleesha in Upload.
Zainab Johnson is the top #4 member of the cast and appears in 10 episodes.