The stand-up, actor and writer will speak in support of the RCN’s Scrap the Cap rally which takes place in Parliament Square on Wednesday 6 September between 12.30 and 2.30pm.
The well-known political activist, actor, comedian, author and presenter Tony Robinson will also address and further speakers will be announced soon.
Thousands of RCN members are expected to attend the largest event for the RCN’s Summer of Protest.
RCN members have until Tuesday 29 August to register to attend the rally and apply for funded travel
While the rally takes place, MPs will have the opportunity to meet elected RCN Council members at a drop in session in the Houses of Parliament to find out more about the campaign and the effects of the pay cap.
Later this week, thousands of RCN members will take part in a digital day of action