Actor David Hasselhoff has praised a student police officer for jumping down 8ft (2.4m) into a freezing river to save a drowning man.
PC Mohammed Nadeem leapt into the River Irwell in Bury, Greater Manchester, on Saturday after a man fell in.
Hasselhoff, who starred in Baywatch and Knight Rider, said PC Nadeem was the "new Hoff".
His publicist said the US star wanted to personally praise PC Nadeem when he is in the UK next month.
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PC Nadeem said he "just had to" jump in to save the man when he saw him in distress, even though he cannot swim.
He said he "somehow managed" to drag him to the side of the river.
Both were helped to safety by the fire service and were treated by paramedics before being taken to hospital, said Greater Manchester Police (GMP).
Hasselhoff, who has seen video of the rescue, said: "The real heroes are the ones who act on instinct without hesitation, the ones who believe that we all can help each other.
"I want to meet the real heroes and say, 'Good on you. Let me shake your hand'.
"'One man can make a difference' is the theme of Knight Rider. This student police officer made the difference.
"So cool, so proud. Give it up for Mohammed, the new Hoff."
These are the real Heroes...Give it up for the new Hoff! Awesome DH https://t.co/nK3bpx0U7Z— David Hasselhoff (@DavidHasselhoff) February 20, 2018
PC Nadeem said he was looking forward to meeting the "original Hoff".
He said he had been "overwhelmed" by the public's response to his actions.
"It's great that the work of GMP officers has been appreciated in such a huge way," he said.