Helen Mirren -- Age of Consent (1969)

Melanie Griffith with Anne Lockhart -- Joyride (1977)

Joyce Hyser (1985)

The Hot women of The Love Boat (1977-1987) (more in comments)

Laura Murdoch - Timecop (1994)

Lynda Wiesmeier, Brinke Stevens and their shower buddies -- Private

Betsy Russell -- Private School (1983) (now with slo-mo)

Serena Grandi -- Delirium (1987)

Kozue Tanaka -- Female Leopard (1985)

Kristi Ducati -- Sorceress (1995)

Julie Strain -- Sorceress (1995)

Simone Griffeth -- Hot Target (1985)

Cynda Williams -- Tales of Erotica (1996)