Tailkinker

Answer: Although she initially expressed an interest in returning, she reportedly disliked the script and ultimately chose not to reappear. While the producers initially considered writing the character out, with the story rationale that she had been killed in an air-raid on London during World War Two, it was ultimately decided that this would require too much rewriting and thus the character was recast.

Tailkinker ★

Answer: I read the reason she didn't want to do it was she had just given birth to her first child and didn't want to leave and do location shooting.