크레딧 출연 클래런스 내시 Donald Duck (voice) Bill Cole (voice) Bill Lee (voice) Thurl Ravenscroft Senior Spirit of Progress (voice) Max Smith Junior Spirit of Progress (voice) 스텝 월트 디즈니 Production Don Griffith Directing Eustace Lycett Crew Hal King Visual Effects Fred Kopietz Visual Effects McLaren Stewart Art Les Clark Visual Effects Hamilton Luske Directing Bill Berg Writing Buddy Baker Sound Art Riley Visual Effects Joshua Meador Visual Effects
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6.1
