BERLIN — Berlin-based Egoli Tossell Film and Film House Germany in Frankfurt have boarded Paul Andrew Williams’ “Song for Marion,” starring Vanessa Redgrave.It’s the first collaboration between the companies since Film House took over Egoli Tossell earlier this year. Williams’ London-based Steel Mill Pictures is producing with Coolmore Prods. and Aegis Film Fund. Gemma Arterton, Terence Stamp and Christopher Eccleston also star in the London-set dramedy about a grumpy pensioner who joins a choir. The film is set to start shooting this month in northeast England.