one and all

one and all {literary} (everyone; each one individually and jointly) — все без исключения, все подряд, все до одного; все и каждый

Example 1: I greet you, one and all.
Example 2: They came, one and all, to welcome him home.
Example 3: The news of his resignation came as a surprise to one and all. (CALD)

Syn: [all and sundry]

to a man (every person in a group) — все до одного, все до единого, все как один

Example 1: There were 400 people at the meeting and they all, to a man, voted for the motion. (CALD)

Related vocabulary:
across-the-board
all and sundry
all-comers
one-size-fits-all
the world and his wife idiom