Could anybody tell me more about the Myers twins, John & Dennis, who played the Von Meck twins in Ken Russell's The Music Lovers. Careers? Pictures?

It is nearly impossible to find something on the net, apart from some scarce info on IMDB

John Myers

(July 23, 1956) He acted in the play, "Late Love," at the Wolverhampton Grand Theatre in Wolverhampton, England with Michael Anderson, Sonia Graham, Anne Jameson, Beryl Johnstone and Tony Steedman in the cast.

(1957) He acted in John Van Druten's play, "Bell, Book, and Candle," at the Grand Theatre in Wolverhampton, England with Barbara Mitchell, Nicholas Selby, Beryl Johnstone, and Michael Lomax in the cast.
I also heard there where buddies of Salvador Dali in Cadaqués, wherever that is. (Source German Biography:Salvador Dali - Eine Biographie mit Selbstzeugnissen des Künstlers by Torsten Otte)