Hansler's television roles include the aristocrat Colin Tennant in the 2005 TV movie The Queen's Sister,[2] Mr Pelham in the BBC drama series Hotel Babylon[3] and the announcer in the sitcom My Family.

[5][6] Hansler's played the character of Lance in the 2007 revival of Toast with the Hull Truck Theatre[7] and also Hugh Paddick in the 50th Anniversary tour of Round the Horne.

[9] In 2017, Hansler appeared as General Tilney in an adaptation of Jane Austen's Northanger Abbey with the Theatre Royal, Bury St Edmunds, which toured the UK.

Darling in the Theatre Royal Winchester's production of Peter Pan,[12][13] for which he received critical acclaim.

[14] In 2021 he led the re-opening of the White Bear Theatre, playing George Sanders in Villain in Tinseltown by David Harrold.