Claim: David Neal is a Brittain actor he starred in Julius Caesar and he played the role of Cinna the conspirator.
Evidence: In 1970 he took a major supporting role (Cinna) in the all-star feature film of Shakespeare's Julius Caesar (which starred Charlton Heston, Christopher Lee, Richard Chamberlain, Diana Rigg and Sir John Gielgud). 
The film stars Charlton Heston, Jason Robards, John Gielgud, Robert Vaughn, Richard Chamberlain, Diana Rigg, and Jill Bennett.