Effets visuels

• Ed Barge — animation
• Michael Lah — animation
• Kenneth Muse — animation

Production

• Fred Quimby — producer

Son

• Fred MacAlpin — sound effects editor
• Scott Bradley — original music composer

Distribution

• Buck Woods — Tom (singing voice) (uncredited)
• William Hanna — Tom (screaming voice) (uncredited)
• Billy Bletcher — Evil Laugh (voice) (uncredited)
• Jerry Mann — Tom (voice- uncredited)

Réalisation

• Joseph Barbera — director
• William Hanna — director