Don Wilson as David Quarry

Michael Bernardo as Dante

Athena Massey as Liana

Ken McLeod as John Gibson

Dawn Ann Billings as Greta

Michael Dorn as Virtual Voice of Dante (voice)

Stella Stevens as Mary

Carrie Mitchum as Cathy

Larry Poindexter as Employee

Rip Taylor as Pitchman

Johnny Williams as Fred

Ron Barker as Burroughs

Gilbert Lewis as A.C. Doyle

Turhan Bey as Dr. Cameron

Loren Avedon as Parness

J.D. Rifkin as Sheckly (as Joel Rifkin)

Kelly Hirano as Bartender

Peggy Trentini as Debbie

Randall Shiro Ideishi as Virtual fighter / lover Yoshi (uncredited)

Andre McCoy as Virtual fighter / lover Duane (uncredited)