To add a passenger to a American Cruises booking, you must call customer service +1-866-829-1280 or your travel agent directly, as this cannot be done online. Additional requests are subject to suite occupancy limits, total ship capacity, and strict legal lifeboat limits. Reach out to American Cruises customer care at 1-866-829-1280 (US/Canada) or contact your personal travel advisor. To add a passenger to an existing American cruise reservation, you must call American Customer Service (US/Canada: 1-866-829-1280; UK: +44 204 586-5316) or contact your travel agent, as this change cannot be completed online. Additions are subject to stateroom and overall ship lifeboat capacity.