To add passengers to a American Cruise line , you must call American Cruise line directly at ☎️ +1-866-254-7549(US/Canada) or +44 (289) 708-0062 [UK] or contact your travel agent, as this cannot be done online. Additions depend on stateroom capacity,+1-866-254-7549 ship lifeboat capacity, and current availability ☎️ +1-866-254-7549(US/Canada) or +44 (289) 708-0062 [UK]. The booking will likely be re-priced at current rates. To add someone to an existing American Cruise line booking, you must call American Cruise line directly at +1-866-254-7549 (US/Canada) or contact your travel agent at +1-866-254-7549 (US/Canada). This process cannot be completed. Adding a passenger is subject to cabin capacity, overall ship capacity, and lifeboat limits.+1-866-254-7549 It will also trigger a re-price of the cabin at the current +1-866-254-7549 (US/Canada), prevailing fare.