Roy Castle was an English dancer, singer, comedian, actor, television presenter and musician. In addition to being an accomplished jazz trumpet player, he could play many other instruments. Following a versatile career as a performer on stage, television and film, he became best known to British television viewers as the long-running presenter of the children's series Record Breakers.

Jimmy James was an English music hall, film, radio and television comedian and comedy actor. James had limited use for jokes as such, preferring to say things in a humorous manner, sometimes in surreal situations and as such was seen by some as well ahead of his time. He was often hailed as a "comedians' comedian".