
Actor
John Castle
42 credited titles on WatchWise
John Castle (born 14 January 1940) is an English actor. Castle has acted in theatre, film and television. He is well known for his role as Postumus in the 1976 BBC television adaptation of I, Claudius and for playing Geoffrey in the 1968 film, The Lion in Winter. He also played Dr. Carrasco as well as the prisoner called The Duke in the film Man of La Mancha. Description above from the Wikipedia article John Castle, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Associated performance by genre
Worldwide gross by tagged contribution — US$.
Bankability assessment
Films measured × gross-vs-budget efficiency, weighted by billing prominence — lead roles and directing count fully, minor roles fractionally. Association, not attribution — not a claim that this individual caused the revenue.
Filmography cards
Each title carries role, budget, worldwide gross and commercial verdict.
Based on 3 of 42 catalogued titles with reported budget and worldwide gross — figures from TMDB and Wikipedia (reused under CC BY-SA), shown in US$. Coverage varies by title; figures are estimates, not audited trade data.
Acted in (42)
Titles are ones WatchWise has catalogued so far — not necessarily a complete filmography.









































