Keanu Reeves as John Wick

Michael Nyqvist as Viggo Tarasov

Alfie Allen as Iosef Tarasov

Willem Dafoe as Marcus

Dean Winters as Avi

Adrianne Palicki as Ms. Perkins

Omer Barnea as Gregori

Toby Leonard Moore as Victor

Daniel Bernhardt as Kirill

Bridget Moynahan as Helen

John Leguizamo as Aurelio

Ian McShane as Winston

Bridget Regan as Addy

Lance Reddick as Hotel Manager / Charon

Keith Jardine as Kuzma

Tait Fletcher as Nicholai

Kazy Tauginas as Ivan

Alexander Frekey as Alexander

Thomas Sadoski as Jimmy

Randall Duk Kim as Continental Doctor

David Patrick Kelly as Charlie

Clarke Peters as Harry

Kevin Nash as Francis

Gameela Wright as Delivery Woman

Vladislav Koulikov as Pavel

Munro M. Bonnell as Priest

Patricia Squire as Elderly Woman

Vladimir Troitsky as Team Leader

Matt McColm as Club Goon (uncredited)

Scott Tixier as Violinist (uncredited)

Carolyn Blair as Red Circle Club Goer (uncredited)

Samantha Crawford as Red Circle Club Goer (uncredited)

Nadia Kay as Hot Girl (uncredited)

Natalia Kiriya as Red Circle Model (uncredited)

Tommy Bayiokos as Russian Sniper (uncredited)

J.J. Perry as Bathroom Security (uncredited)

Dennis Keiffer as Club Goon (uncredited)

Alex Ziwak as Assassin (uncredited)

Erik Martin as Russian Thug (uncredited)

Elizabeth Saint as Russian Model (uncredited)

Marija Skangale as Red Circle Cage Dancer (uncredited)

Karen Nazarov as Red Circle Club Dancer (uncredited)

Paugh Shadow as Assassin (uncredited)