Stage, movie and TV character actor Mark Blum, who had roles in the films “Desperately Seeking Susan” and “Crocodile Dundee,” has died from complications from the coronavirus. He was 69. An executive with the labor union SAG-AFTRA and the off-Broadway theater company Playwrights Horizons announced the death Thursday. Blum had been a fixture off-Broadway with recent roles in Playwrights Horizons’ “Rancho Viejo” and “Fern Hill” at 59E59 Theaters.