There were lots of big names on the bill (=famous people in the performance).

 To head/top the bill is to be the most important actor in a show.

 To fill/fit the bill is to be exactly what is needed in a particular situation.
 That box will fill the bill nicely.

 (dated) In a restaurant a bill of fare is a menu.

 A bill poster or a bill sticker is someone who sticks notices onto walls. Bill posting is the
 activity of doing this.

 bill  verb [T]
 To bill someone is to describe them, esp. on a theatre poster.
 They billed her as 'the woman with rubber bones'.
 The young author was billed as 'the new Beckett'.

 billing  noun [U]
 Billing is information, esp. about a performance.
 The film didn't receive much advance billing.
 Unfortunately, the show never lived up to (=was not as good as) its billing.

 A person who has star/top billing is the star of the show.