As mentioned in the dialogue with Jack Jones, Eric and Ern had genuinely worked in Blackpool, Lancashire with his father Allan Jones. This was in the 1953 revue "Something to Sing About", at the famous Winter Gardens Pavilion.
"There's enough hair on those legs to give Gerald Nabarro a spare," says Eric. Nabarro was a businessman and old-school Tory MP who was renowned for a luxuriant handlebar moustache.
The aviation sequences for Ern's WWI play "Dawn Patrol" were performed by The Barn Stormers group from Peterborough Aero Club.
Pete Murray's line about having an "Open House" references the two-hour magazine show he fronted for over a decade for BBC Radio 2.