Shock Waves (1977)

"He is dead?"

"Don't you know?"

"Most sincerely, I do not."

"Seemed like he was drowned."

"Then I am afraid it is too late."

"Too late for what?"

"For any of us! You are indeed very stupid. I gave you a chance to save yourselves but you have refused to take it. So be it. Now it is too late."