This season follows what happened at the end of Rise of Superman. The theme song is Stairway to the Skies' by Within Temptation.

thumb|300px|right|The series' theme song

Regular Cast

  • Tom Welling as Clark Kent/Superman
  • Erica Durance as Lois Lane-Kent
  • Elise Gaiten as Mia Dearden
  • Justin Hartley as Oliver Queen
  • Allison Mack as Chloe Sullivan

Recurring Cast

  • Paul Wesley as Conner Hawke
  • Phil Morris as John Jones
  • Genevieve Cortese as Tatianna Hunts
  • Alaina Huffman as Dinah Lance/Black Canary
  • Terence Stamp as the voice of Jor-El
  • Kristin Kreuk as Lana Lang
  • Unknown as Calla Swan
  • Darren Criss as Ren Wood

Guest Cast

  • Laura Vandervoort as Kara Kent
  • Pam Grier as Amanda Waller
  • Ted Whittal as Rick Flag
  • Daniel Radcliffe as Jacob Night
  • Liv Tyler as Adrianna Lance
  • Elijah Wood as Stephen Winchester
  • Miranda Otto as Karen King
  • Olivia Wilde as Destiny King