Carry On Behind despite being only eight months older than her on-screen daughter. Supporting roles are played by Sherrie Hewson, Carol Hawkins, Ian Lavender, Adrienne Posta, George Layton, Larry Dann, Larry Martyn and David Lodge. These supporting players were mostly recognisable comedy actors at the time, but not long-term regular members of the "Carry On" team. Liz Fraser had appeared in three early films in the series; her re-appearance here was after a gap of twelve years. This was the last "Carry On" film for Bernard Bresslaw and Patsy Rowlands. By this time Sid James, Terry Scott, Hattie Jacques and Charles Hawtrey had
Carry On Behind already made their final "Carry On" film appearances. Chilly spring filming meant the bare trees, muddy fields and icy breath are all quite visible, although the setting is a summer caravanning holiday. A similar dilemma met the cast and crew in "Carry On Camping". The signage in Fred Ramsden's butcher's shop clearly shows that the shop is closing for the Easter holidays, which can occur as early as March. Whilst this film was in production, Bernard Bresslaw and Joan Sims also appeared in "One of Our Dinosaurs Is Missing", another film being made at Pinewood Studios alongside "Carry On Behind".