I Know Who You Are

Cast

• 

  Grant Gustin

  Barry Allen / The Flash

• 

  Danielle Panabaker

  Dr. Caitlin Snow / Killer Frost

• 

  Carlos Valdes

  Cisco Ramon / Vibe

• 

  Keiynan Lonsdale

  Wally West / Kid Flash

• 

  Tom Cavanagh

  Harrison 'H.R.' Wells

• 

  Jesse L. Martin

  Joe West

• 

  Tom Felton

  Dr. Julian Albert

• 

  Candice Patton

  Iris West

• 

  Danielle Nicolet

  Cecile Horton

• 

  Tobin Bell

  Savitar (voice) (uncredited)

• 

  Anne Dudek

  Tracy Brand

• 

  Andre Tricoteux

  Savitar