Just like his fellow director Peter DeLuise, Martin Wood appeared Hitchock like in the episodes he directed. Here’s his list. In the beginning you could just look for the big wrench and there was Sgt Siler and Martin Wood. But eventually the big wrench got the kibosh from “upstairs” and Martin was harder to find. I’m sure this will be an ongoing project as well.
I went looking for a list of Peter DeLuise’s cameo appearances on Stargate SG-1, supposedly he is in every episode he directed, and found a bunch of them… but not all in one place. This is an on going project to get them all in 1 list. This list is from various places on the web plus me watching the show. I’m sure this will be a work in progress.