If You Watched The Edge of Night, This...

[Mysterious Benefactor]

...Is Interesting Speculation Regarding Mitch Ryan:

This perfomer would have been good in that role

Forrest Compton is the only actor I ever saw as Mike Karr on EoN, so I have no opinion how the character was portrayed before he took over the role. But I will say that given the way Compton played it, I can't see Ryan in the role...

I had no idea that Forrest Compton died of COVID-19.  That's sad...