I Saw What You Did - (Movie Clip) I Know What You Need

I Saw What You Did -- (Movie Clip) Open, This Is Libby!

Perhaps witty opening to William Castle's I Saw What You Did, 1965, introducing teens Andi Garrett (as "Libby") and Sarah Lane (as "Kit"), who'll get into trouble with their games on the phone.

I Saw What You Did -- (Movie Clip) You Belong in a Cage!

Teens Libby (Andi Garrett) and Kit (Sarah Lane) hit outrageous pay-dirt with their crank-call to Judith (Joyce Meadows) and Steve (John Ireland) Marak, in William Castle's I Saw What You Did, 1965.

I Saw What You Did -- (Movie Clip) Shaking Like a Leaf!

Spectacular detail in the radio newscast as Kit (Sarah Lane) gets nervous while Dad (John Archer) puzzles, after a night of mischief on the phone in William Castle's I Saw What You Did, 1965.

I Saw What You Did -- (Movie Clip) We Do It All the Time!

No good can come of this, little Tess (Sharyl Locke) and Libby (Andi Garrett) introducing girlfriend Kit (Sarah Lane) to their favorite crank-calling game, in William Castle's I Saw What You Did, 1965.

I Saw What You Did -- (Movie Clip) Your Last Suzette

Unworried by the knowledge that he's killed his wife, widow Amy (Joan Crawford) intends to tighten her grip on neighbor Steve (John Ireland) in William Castle's I Saw What You Did, 1965.