Complex sentence: His first name was sometimes incorrectly spelled "Selmar"-switched easily to television roles, showing up in "Wyatt Earp", "The Adventures of Superman", "Alfred Hitchcock Presents", and "Bonanza".
Split into simpler sentences: His first name was sometimes incorrectly spelled "Selmar". He switched easily to television roles, showing up in "Wyatt Earp", "The Adventures of Superman", "Alfred Hitchcock Presents", and "Bonanza".