[1] After leaving the army Ringham spent four years as a member of a touring theatre company called The Compass Players based in Gloucestershire.

[4] Ringham appeared throughout BBC Television's Shakespeare adaptation An Age of Kings in 1960, most prominently as Humphrey Duke of Gloucester, the brother of Henry the Fifth.

[5] Other appearances over the years include several parts in Z-Cars; Softly, Softly, and Barlow at Large; Flambards; Poldark; the War and Peace dramatisation in 1972; Birds of a Feather; The Bill; Bless Me Father; Taggart; Bergerac; The Tripods; Juliet Bravo; Minder; All Creatures Great and Small; Dixon of Dock Green; Dad's Army; Are You Being Served?

[12] Ringham also appeared as the by-the-book Commander Tri-S in the unsold pilot of The Solarnauts, created by Roberta Leigh (1967).

[citation needed] Ringham was also a playwright and the author of three books, including a biography of the composer George Frideric Handel.