OLTL -
Audrey Landers (ex-Charlotte Hesser) auditioned to play Tina after Andrea Evans left in 1990, but lost the role to Karen Witter.
Sarah Buxton auditioned to play Tina in 2001 when the show lured back Fiona Hutchinson to play Gabrielle, but nothing came of it.
Brian Frons himself teased in an interview that the brass had tossed around the idea of Cynthia Preston playing Tina after she left GH.
Krista Tesreau was initially considered for Blair or Tina, they went with the latter and gave the former to Kassie DePaiva.
Bree Williamson auditioned to play Jennifer Rappaport, but lost to Jessica Morris.
Trevor St. John auditioned to play Kevin, but lost to Dan Gauthier.
Michael Easton was offered the role of Todd after Roger Howarth left, but declined.
Robin Strasser was considered for a recast of Cathy Craig after Jennifer Harmon left.
Marc Menard and Dax Griffin both auditioned for the role Joey Buchanan.
Dax Griffin and Michael Bergen auditioned for the role of Nash Brennan, but lost to Forbes March.
Troy Kurtis (ex-Nico Castaneda, GL) auditioned for the role of Cristian Vega, but lost to David Fumero.
Eamonn Walker (Kareem Said, Oz) auditioned for the role of RJ Gannon, but lost to Timothy Stickney.