Sybil Danning as Ilona / The Panther

Jack Taylor as Frank Bramble

Karin Schubert as Barbara / Clean Space Agent

Jean-René Gossart as Clean Space Leader

Françoise Bocci as Panther Squad Girl

Donna Cross as Panther Squad Girl

Karin Brussels as Panther Squad Girl

Analía Ivars as Panther Squad Girl (as Joan Virly)

Virginia Svenson as Panther Squad Girl

Donald O'Brien as General

Arch Taylor as Secretary-General of the U.N.

Roger Darton as President of N.O.O.N.

Antonio Mayans as General Carlos

Shirley Knight as

John Rounds as

Youri Radionow as Bartender (uncredited)

Katja Bienert as Girl Eating Ice Cream (uncredited)