- Tommy Gilligan as William
- John Alderton - Numbuh 1
- Andrew Sachs - Tommy Gilligan
- Carlo Bonomi - Numbuh 4
- Susan Sheridan - Numbuh 362
- David Holt - Numbuh 2
FireKids Next Door Operative Nigel
Tommy's Wish American Boots
Rachel MacKenzie's Pennsylvania Adventures
- Rachel MacKenzie Cheers Up Monty Uno
Hoagie P. Gilligan Jr.
- Hoagie and The Wishing Well
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