Jonathan Groff is not convincing as a straight guy

The entire show did not capture your attention??

That's so weird. I watched only a few episodes of the first season and also felt something was "off" about the lead actor but I didn't suspect he was homosexual. I just felt he came across as bland, also lacked charisma and screen presence in general but especially in his "romantic" scenes with the actress. I found him to be so bland that I lost interest in the show after a few episodes and unfortunately even the later inclusion of Holt McCallany (who I like) couldn't keep me watching.

I was wondering what his deal was. Something is very off with this actor and his portrayal of Holden. He’s easily the weakest link on the show in terms of acting chops.

Couldn’t disagree with you more. He’s perfect for this role.

I was unaware that the actor was gay
His performance read more like a bookish, slightly nerdy guy that had some instinctive ability to read killers but was often socially awkward

I thought the performance was fine for the character

I disagree, however during the first episode I did feel the actor playing Holden was stiff and a bit bland, but as the series has developed (I’m on episode 9 of Season 1) i realised that’s exactly how his character is written, he’s socially awkward and there’s signs Holden might well be a psychopath himself, Ive now done a complete 180 and now don’t think anyone could pull off Ford like the actor does, he’s perfect for the role.

Jonathan Groff is a highlight of the show. I didn't know he was gay in real life before I started watching this series, nor did I feel there was something "off" about the Holden Ford character other than what the writers appeared to intend. Namely, that Ford is obsessive about his work to understand the mind of serial killers, and that he is prone to cold intellectualism that makes him seem clueless and naive on occasion when dealing with people and mundane social situations. I don't think there is anything especially gay about those characteristics. I've known plenty of straight guys, myself included to an extent, that talk and behave very similarly. I think Ford's character is very interesting for some of the very reasons that people seem to find off putting. Is Groff doing some great acting or is he more so just being himself? It doesn't matter to me. If the Ford character is awkward in his interactions with women because, or partly, Groff is gay, what does it really matter? I think it fits the character and ties well into the underlying theme that diving deeply into the minds of sociopaths has the potential to alter one's personal relations.

When in S1 did they state he was straight? Maybe his character is bisexual ... although I tend to side with ADC on that one.