The expedition leader, guides, the doctor on board, hotel managers, and often the ship captain will speak English. All activities and lectures would be in English. If, in the unusual event an expedition is a language other than English, you will be alerted well in advance of any booking so you can decide.
The Norwegian Krone is the currency of the country, however on the ship, dollars and Euros are preferred (but please note that bar beverages, gifts, etc. can be purchased by credit card). ATM’s are common in Norway.
The common plug in Norway is the F type. Voltage is about 220 volts. Note that in the USA, our voltage is 110 volts, and our common plug is Type A, so a plug adapter is essential however most appliances come with a voltage converter built-in.