Jennifer Garner as Elektra Natchios / Elektra

Goran Višnjić as Mark Miller

Will Yun Lee as Kirigi

Cary-Hiroyuki Tagawa as Roshi

Terence Stamp as Stick

Natassia Malthe as Typhoid Mary / Typhoid

Kirsten Zien as Abby Miller

Colin Cunningham as McCabe

Chris Ackerman as Tattoo

Bob Sapp as Stone

Mark Houghton as Bauer

Hiro Kanagawa as Meizumi

Laura Ward as Young Elektra

Ian Tracey as Pool Shark

Kevan Ohtsji as Roshi Servant

Kurt Max Runte as Nikolas Natchios

Nathaniel Arcand as Hand Ninja #1

Aaron Au as Hand Ninja #2

Jana Mitsoula as Young Elektra's Mother

Kendall Cross as First Paramedic

Ty Olsson as Second Paramedic

Nancy Wetzel as Third Paramedic

Paul Wu as Fight Instructor

Jason Isaacs as DeMarco (uncredited)

Tom Woodruff Jr. as Demon (uncredited)

Edson T. Ribeiro as Kinkou

Marke Driesschen as Weatherman