크레딧 출연 Tom Baker The Doctor Louise Jameson Leela John Leeson K-9 Mk. I (voice) / Nucleus (voice) Michael Sheard Lowe Brian Grellis Safran Jay Neill Silvey Edmund Pegge Meeker Frederick Jaeger Professor Marius 스텝 Dave Martin Writing Derrick Goodwin Directing Bob Baker Writing Robert Holmes Writing Dudley Simpson Sound Graham Williams Production