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Young Sherlock Season 1

Season 5

Season five of picks up in the 2010s, years since the Goldilocks asteroid heist. Happy Valley has grown into a thriving colony with thousands of residents and a base for new missions that will take us even further into the solar system. But with the nations of Earth now demanding law and order on the Red Planet, friction continues to build between the people who live on Mars and their former home.

202610 EpisodesDrama, Sci-Fi & Fantasy, War & Politics

Cast & Crew

Edi Gathegi

Edi Gathegi

Dev Ayesa

Toby Kebbell

Toby Kebbell

Miles Dale

Mireille Enos

Mireille Enos

Celia Boyd

Joel Kinnaman

Joel Kinnaman

Ed Baldwin

Ines Asserson

Ines Asserson

Avery 'AJ' Jarrett

Costa Ronin

Costa Ronin

Leonid 'Lenya' Polivanov

Sean Kaufman

Sean Kaufman

Alex Poletov Baldwin

Cynthy Wu

Cynthy Wu

Kelly Baldwin

Coral Peña

Coral Peña

Aleida Rosales

Ruby Cruz

Ruby Cruz

Lily Dale

Wrenn Schmidt

Wrenn Schmidt

Margo Madison

Episode Guide

Nine years after the Goldilocks asteroid heist, Happy Valley has grown into a thriving colony. But an unsettling discovery threatens their peace.

Season 5 FAQs

The cast of Season 5 includes Edi Gathegi as Dev Ayesa, Toby Kebbell as Miles Dale, Mireille Enos as Celia Boyd, Joel Kinnaman as Ed Baldwin, Ines Asserson as Avery 'AJ' Jarrett, Costa Ronin as Leonid 'Lenya' Polivanov, Sean Kaufman as Alex Poletov Baldwin, Cynthy Wu as Kelly Baldwin, Coral Peña as Aleida Rosales, Ruby Cruz as Lily Dale, and Wrenn Schmidt as Margo Madison.