Sean Blakemore (ex-Shawn, GH) will pop in to GH today. The actor posted the news on Twitter, "See u tomorrow as I return 4 a surprise on GH tomorrow. ..thx 4 the luv/support everyone”. Executive Producer Frank Valentini tweeted, "Shawn's back tomorrow! Very excited, always a pleasure to work with @SBlakemoreActor! @GeneralHospital #fallinlovewithgh #GH”.