Michael Shanks who plays Wes, is actually married to Lexa Doig, the actress who plays Paige Lassite.
This marks the first time we see Doc and Hope kiss despite their estrangement.
Lexa Doig, Teryl Rothery, and Michael Shanks were, at various times, series regulars on Stargate SG-1 (1997), and appeared in various spin-offs.