
Andrea Marie Truden (July 26, 1943 – November 7, 2011), known professionally as Andrea True, was an American pornographic actress. In addition to her given name, she had multiple stage names, including Inger Kissin, Singe Low, Sandra Lips, Andrea Travis, and Catherine Warren.
As a singer, she is best known for the 1976 pop-disco hit "More, More, More" (performed as part of her recording project, The Andrea True Connection), which peaked at No. 4 on the US Billboard Hot 100 and No. 5 on the UK Singles Chart.
Description above from the Wikipedia article Andrea True, licensed under CC-BY-SA, full list of contributors on Wikipedia.

40 Carats
1973 · as Woman (uncredited)

Deep Throat Part II
1974 · as Whacker Attacker

The Way We Were
1973 · as Woman (uncredited)

Sex Stars
1976 · as Self

Head Nurse
1973 · as Head Nurse

Sweet Wet Lips
1977

French Wives
1979 · as Madame

The Pleasure Cruise
1973

Debbie Does Las Vegas
1979 · as Lesbian #1

The Seduction of Lyn Carter
1974 · as Lyn Carter

South of the Border
1976 · as Andrea (archive footage)

Switchcraft
1973 · as Event Planner (uncredited)

Not Just Another Woman
1975

Madame Zenobia
1973 · as Lucy

Over Sexposure
1973

Prurient Interest
1975

Sex Fantasies
1975

The Wetter the Better
1975