Clive Dunn who starred in the television series Dad's Army.
Mark Gatiss, Sarah Lancashire, Alison Steadman and Annette Crosbie will also appear in as-yet-unspecified roles.
David Croft and Jimmy Perry's original TV series ran from 1968 to 1977 and is often thought of as one of Britain's most iconic comedies.
Dad's Army cast the original cast of hit sitcom Dad's Army in 1970.
Hamish McColl, who penned Johnny English Reborn and Mr Bean's Holiday, has written the script, with shooting scheduled to begin in Yorkshire later this month.
Fans of Dad's Army may be dubious about the forthcoming movie, but expect to hear many of the sitcom's most-loved catchphrases again soon, from Mainwaring's "You stupid boy!" to Wilson's "Do you think that's wise, Sir?" and Frazer's "We're doomed!"
The opening credits to the original Dad's Army tv show:
- Independent