The only Adams actor I'm interested in seeing is William Daniels, who has played both John and Sam. And John Quincy. Frankly, I'm only surprised he didn't also play Abigail.
Last night was the first opportunity to watch this episode and I really enjoyed it. It's Hawley, right? Jenny said "Holly", I thought, so when both Abbie and Ichabod said "Hawley" I wasn't sure if it was regional accents at play or if I misheard the first time. Anyway...he can come back. I'd be fine with that.
Re: ID. They never followed up on the call to Oxford from last season, did they? Morales called and it was confirmed (by who, we don't know) that Crane was on staff there.