The 46-year-old man from Queensland was arrested when the vessel docked in Hobart on Thursday, October 18.
Police said the accident had happened at 3:30 a.m. on Thursday while Radiance had been en route to Tasmania, sailing on a 5-day cruise round-trip from Sydney.
They had been called to the cruise ship at 8:30 a.m. when it docked.
Police described it as family violence accident.
The passenger is due to appear in Hobart Magistrates Court later today.
For other Radiance of the Seas accidents and incidents see at the ship's CruiseMinus page.