The eccentric professor Collins lives completely secluded in his chaotic apartment. When the model Penny moves in next to him, he becomes fascinated by her. He drills holes in her walls and ceiling and peeps on her day and night. He loses himself in daydreams and delusions.
Jack MacGowran
as Prof. Oscar Collins
Jane Birkin
as Penny Lane
Irene Handl
as Mrs. Peurofoy
Richard Wattis
as Perkins
Iain Quarrier
as Young Man
Beatrix Lehmann
as Mother
Brian Walsh
as Photographer
Sean Lynch
as Riley
Bee Duffell
as Mrs. Charmer
Noel Trevarthen
as Policeman
Anita Pallenberg
as Girl at Party (uncredited)
Suki Potier
as Girl at Party (uncredited)
