There are representations of the key crew members dotted throughout the film:
-Raymond Briggs (the Author) is the smiling face in the moon.
-John Coates (the Producer) is the baby in the cot, he has JC on his babygrow.
-Hilary Audus (the Director) is the woman at the zoo with her family.
-Joanna Harrison (the Art Director) is the woman serving in the zoo's shop.
-Paul Madden (the Executive Producer) is the sailor who spots the little bear on the ice-floe.
-Howard Blake (the Composer) is the pianist at the window
The film that Tilly and her family are watching on TV is The Snowman (1982), a previous Raymond Briggs production.
The poster above Tilly's bed is Ursa Major, the constellation better known as the Great Bear.