He starred in theatre productions in London as a child actor (Cinderella) and a member of The Grashoppers.
It sounds a bit like a Motown story, but it was while singing while he was working, Jody was discovered by his TV boss. Little Joe and the Travellers were born and they had their own TV show for two years.
Are You Sure can also be found on the LP Jody (South Africa PYE PL 2074) and the LP It's Me Again from 1988.
Update: Colin Day (a.k.a. Bob Allison) has passed away, read more here at Eurovers
Any corrections, additions and comments are of course very welcome.