There have been quite a few actors who've appeared on both Days and
General Hospital
These are the ones I can think of, I'm sure there are probably more
Billy Warlock GH - AJ Quartermaine, Days - Frankie Brady
Matt Ashford GH Tom Hardy Jr, Days - Jack Deveraux
Genie Francis GH - Laura Spencer, Days - Diana Colville
Mary Beth Evans GH - Katherine Bell, Days - Kayla Johnson
Steven Nichols GH - Stefan Cassadine, Days - Steve Johnson
Kirsten Storms GH - Maxie Jones, Days, Belle Black
John Ingle GH - Edward Quartermaine, - Days - Mickey Horton
Tamara Braun GH - Carly Corinthos, Days - Ava
Steve Burton GH - Jason Morgan, Days - Harris Michaels






