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
• Jane Birkin
• Irene Handl
• Richard Wattis
• Iain Quarrier
• Beatrix Lehmann
• Brian Walsh
• Sean Lynch