What actions would the two up front, like passenergers to do if we become aware the aircraft is being illumniated by a laser from the ground?
Don't look at the sodding thing. Shield the eyes.Report it to ATC. When we receive such a report, we phone the police (and warn following traffic), who take it very seriously. Unfortunately, unless there's a very good position report (unlikely unless you've stared down the beam and can somehow still actually see)
and there's good help from the nearby public (usually willing, but usually don't notice lasers originating from nearby, as they're so directional) there's often not a great deal they can do.
[EDIT] Thought you asked "what actions should the two up front take." Just re-read the question.
My answer is probably still valid, but doesn't address your question, sorry. But I would still suggest not looking at it. These things, if strong enough, can damage the eyes.