Gordon Tanner replaced another actor who pulled out.
Terence Skelton was cast as a recruit but dropped out before filming.
Features the "Carry On..." débuts of regular stars Kenneth Williams, Charles Hawtrey, Hattie Jacques, 'Kenneth Connor (I)' and Terry Scott.
Film debut of Bernard Kay.
First film of James Villiers.
The first film in the "Carry On..." series. A further thirty were produced until 1992.