Who played Marshall Eriksen in 'How I Met Your Mother'?

Who played Andy Bernard in 'The Office'? Who played Kevin Malone in 'The Office'? In which TV series is Kevin Malone a main character? Who played Ted Mosby in 'How I Met Your Mother'? Who played Lily Aldrin in 'How I Met Your Mother'? In which TV series is Lily Aldrin a main character? Who played Robin Scherbatsky in 'How I Met Your Mother'? In which TV series is Robin Scherbatsky a main character?