The actor is expected to join about 1,000 campaigners for the rally in a bid to attract support from people who oppose Brexit from across the political spectrum. "If the public demand a People's Vote, politicians will fall in line".
Both Prime Minister Theresa May's Conservatives and the Labour Party have ruled out a second referendum after Britons voted 52-48% to leave the bloc nearly two years ago, and the country is due to leave the European Union in March next year.
Sir Patrick claimed the characters in his most famous screen roles, Star Trek's Captain Jean-Luc Picard and Charles Xavier from the X-Men, would have supported Britain's European Union membership.
Speaking at the launch event, Liberal Democrat education spokeswoman Layla Moran said: "It may seem like the odds are stacked against us as a movement, but fighting for what you believe in is never easy".
"No-one had any idea what the consequences of Brexit were going to be".
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Mumbai's lower-order batsmen, though, failed to sustain the tempo and the total fell well below what the openers had promised. With 16 needed off the last two overs, Bumrah bowled an exceptional penultimate over conceding only five.
The People's Vote campaign is spearheaded by United Kingdom lawmakers of various parties, as well as celebrities and business leaders, British media report.
"We will be making the case in Parliament, but this is too big and too important to be determined exclusively by politicians", she said.
Conservative MP Anna Soubry told the crowd the United Kingdom was about to embark on a course that would "make you and your grandchildren... less prosperous than you are now".
The former minister added: 'I think the best and right thing to do is to put it back to the people and say, you can have a vote on this deal'.
Tory MP Peter Bone, a leading Leave supporter, said: "This call for a second referendum is so off the planet that I suppose it is appropriate to have someone from Star Trek involved. The public don't want it".
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The protest comes as two incidents of rape in Jammu and Kashmir and in Uttar Pradesh provoked outrage across India . She said, "I will not break my fast till the PM doesn't ensure better safety for the women of this country".
Actor Patrick Stewart, a supporter of the People's Vote campaign, said campaigners were not asking for a second referendum, but rather wanted "another chance to consider what the terms of this divorce are going to be".
Sir Patrick also said he was motivated by "history and emotion" to want to stay in the EU.
"They voted with a substantial majority to leave the EU. We're now trying to deliver on that mandate from the people".
Mr Johnson addressed the remarks made by Sir Patrick, who also played the role of Captain Jean-Luc Picard in Star Trek: The Next Generation.
He said Brexit would allow Britain to "boldly go" to areas it has neglected in the search for new free trade deals.
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But he has toned down the anti-Russian rhetoric, saying he wanted "normal relations with Russia if it is prepared to do the same". On Sunday Bojanic said he voted to "put an end to the reign of an autocrat who wants to turn Montenegro into a dictatorship".
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