[3] Made in England by a Spanish director for a Danish production company (Athena Films), it was distributed in the USA by Cinemation Industries, whose owner, Jerry Gross, gave himself a 'Presented by' credit.

While at the studio, Sara meets Tulia, a young fashion model, whom she invites to come stay at her home so that Theo can photograph her.

That evening, Tulia recounts to her hosts how her friend, Rhonda—also a model and acquaintance who spent time at Sarah's home—commented on being frightened while staying there.

The man stops short of raping Tula, and, realizing that Theo staged this is a mere photo opportunity, Tulia is disgusted and demands to be returned to London.

There, she uncovers disturbing photographs of Rhonda being raped and murdered by Theo, the man from the pub, and a tramp who resides in town.

Irrelevant appearances from one or two minor characters and the generally erratic continuity are the result of substantial cutting in the version showing here, which – after a sluggish exposition – gains in speed and impact for the later lurid developments.

"[7] Whirlpool was unavailable in home media formats until it was released on Blu-ray as part of a three-film set of director Larraz's early features, entitled "Blood Hunger", by Arrow Films.

[8] The Blu-ray edition was sourced from a print held by the UCLA Film and Television Archive in Los Angeles.