Jean Simmons has always been a great actor, though you’d never know it from the one-dimensional performance she gives here. Character actor Bruce French is more effective in the still-rather-clichéd role of Genestra. As Admiral Henry, Earl Billings gets guest star billing for sitting in a chair and getting up and walking out of a room (nice work if you can get it). Henry Woronicz is probably the most ineffective Klingon since the unnamed doofus in “Friday’s Child.”
And for the first time in far too long, we have our Robert Knepper moment! I had totally forgotten that Spencer Garrett, a longtime character actor and particular favorite of mine, played Simon Tarses.