When the Enterprise crew watch Kirk on the viewscreen, in one shot well after he's arrived on the planetoid, there's an empty shot of a mountain landscape. Then Kirk pops in out of nowhere, hobbling along.
Vic Perrin, who plays
the voices of both the Gorn and the Metron, previously played the
voice of the "child" Balok in
"The Corbomite Maneuver" and would
later voice the role of Nomad in
"The Changeling".