← Jerry's Cousin

Cast (1)

Paul FreesCousin Muscles (voice)

Directing

• William HannaDirector
• Joseph BarberaDirector

Production

• Fred QuimbyProducer

Sound

• Scott BradleyOriginal Music Composer

Visual Effects

• Ray PattersonAnimation
• Ed BargeAnimation
• Kenneth MuseAnimation
• Irven SpenceAnimation

Writing

• Joseph BarberaStory
• William HannaStory