John Liu as John Liu / The Ninja

Don Wilson as John Liu / The Ninja (voice)

Adrienne Meltzer as Randi Rydell

Linnea Quigley as Randi Rydell (voice)

Vince Murdocco as Jack "The Cameraman" (voice)

Leon Isaac Kennedy as Det. Jimmy Williams (voice)

Cynthia Rothrock as Det. Janet Flores (voice)

Michael Berryman as The Plutonium Killer (voice)

Matt Mitler as Freddy Cufflinks (voice)

Ginger Lynn Allen as Nita Liu (voice)

Zihan Zhao as The Kid (voice)

Bill Timoney as The Pale Man (voice)

Darius Churchman as Ricco (voice)

Robb Moreira as The Mayor (voice)

Tom Wayland as Switchblade (voice)

Lee Baptiste as Street Lion (voice)

Richard Buckingham Clark as Rattail

Wayne Grayson as Rattail (voice)

Ryan Andes as Additional Voice (voice)

Dan Becker as Additional Voice (voice)

Nicholas Corda as Additional Voice (voice)

Hollis Fox as Additional Voice (voice)

Mike Pollock as Additional Voice (voice)

Sarah Smithton as Additional Voice (voice)

Lori Gardner Phillips as Additional Voice (voice)

Barrett Leddy as Additional Voice (voice)

Ben Wayland as Additional Voice (voice)

Finn Wayland as Additional Voice (voice)

Sharon Mitchell as Woman on Train (uncredited)

Robert Turano as Man on Train (uncredited)