Season 2 (DC's Legends of Tomorrow)

The second season of ​ premiered on October 13, 2016, on The CW and concluded on April 4, 2017, on The CW. The season consisted of 17 episodes.

Synopsis
After the defeat of the immortal villain Vandal Savage and the corrupt Time Masters who colluded with him, a new threat emerges. Dr. Nate Heywood, an unconventional and charming historian, is thrust into the action upon making a shocking discovery – the Legends are scattered throughout time.

Nate must find a way to rescue season one's beloved team of heroes and rogues, including billionaire inventor Ray Palmer, who has created an exosuit with the power to shrink him to miniscule size, as the Atom; Sara Lance, the White Canary, a trained assassin; Professor Martin Stein and Jefferson "Jax" Jackson, who together form the meta-human Firestorm; and Mick Rory, aka Heat Wave, a career criminal. When the Legends encounter the J.S.A (the Justice Society of America, the precursor to DC's Justice League) in the 1940s, Amaya Jiwe, aka Vixen, joins the team. While the team reunites, a mystery looms – the fate of former captain Rip Hunter.

Once reunited, the Legends continue their new mission to protect the timeline from temporal aberrations – unusual changes to history that spawn potentially catastrophic consequences. When Nate, the grandson of J.S.A. member Commander Steel, unexpectedly finds himself with powers, he must overcome his own insecurities and find the hero within himself. Ultimately, the Legends will clash with foes both past and present, to save the world from a mysterious new threat.

Main Cast

 * Victor Garber as Firestorm (Martin Stein)
 * Brandon Routh as Atom (Ray Palmer)
 * Arthur Darvill as Rip Hunter *
 * Caity Lotz as Captain White Canary (Sara Lance)
 * Franz Drameh as Firestorm (Jefferson "Jax" Jackson)
 * Matt Letscher as Reverse-Flash (Eobard Thawne) *
 * Maisie Richardson-Sellers as Vixen (Amaya Jiwe)
 * Amy Pemberton as Gideon
 * Nick Zano as Steel (Nate Heywood)
 * Dominic Purcell as Heat Wave (Mick Rory)

Recurring Cast

 * Neal McDonough as Damien Darhk
 * Dan Payne and Lance Henriksen as Todd Rice/Obsidian
 * Sarah Grey as Courtney/Stargirl
 * Kwesi Ameyaw as Charles/Dr. Mid-Nite
 * Matthew MacCaull as Henry Heywood/Commander Steel
 * Patrick J. Adams as Rex Tyler/Hourman
 * Christina Brucato as Dr. Lily Stein
 * Jack Turner as J.R.R. Tolkien
 * John Barrowman as Dark Archer (Malcolm Merlyn)

In-Universe Guest Stars

 * Stephen Amell as Green Arrow (Oliver Queen)
 * David Ramsey as Spartan (John Diggle)
 * Emily Bett Rickards as Overwatch (Felicity Smoak)
 * Danielle Panabaker as Caitlin Snow
 * Carlos Valdes as Vibe (Cisco Ramon)
 * Melissa Benoist as Supergirl (Kara Danvers)
 * Grant Gustin as The Flash (Barry Allen)

Notes:
 * 1) Arthur Darvill is only credited for respective episode appearances.
 * 2) Matt Letscher is only credited for respective episode appearances.