Captain Robert April wrote:
It does stretch the suspension of disbelief a tad. It would've helped if Cawley had at least tried to disguise his voice a bit.
Well, this was shot at the same time as "To Serve All My Days"--with the intent that it would be released before that episode. So, Kirk really didn't need to disguise his voice: Kargh and Kirk and never met. *We* might recognize Kirk/Cawley because we've seen him so much; at that time, Kargh never had.