"Star Wars" actor Mark Hamill on Saturday cast doubts on President Trump Donald John TrumpHR McMaster says president's policy to withdraw troops from Afghanistan is 'unwise' Cast of 'Parks and Rec' reunite for virtual town hall to address Wisconsin voters Biden says Trump should step down over coronavirus response MORE's assertion that a House Intelligence Committee memo "vindicates" him in the Russia investigation, saying that "it's fun to pretend."

Trump tweeted Saturday that the release of the memo, which alleges political bias at the FBI and Justice Department in abusing surveillance powers to spy on the Trump campaign, freed him of any accusations of collusion with Russia to influence the 2016 election.

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"This memo totally vindicates 'Trump' in probe. But the Russian Witch Hunt goes on and on," the president tweeted.

Hamill, known for his lead role in the "Star Wars" films and a frequent Trump critic, said that Trump was only pretending to be free of guilt.

"It's fun to pretend! xoxo, Mark 'Hamill' " the actor tweeted, poking fun at Trump's use of quotes around his name.

It's fun to pretend!

xoxo, Mark "Hamill" https://t.co/Xh0BmhMoxF — Mark Hamill (@HamillHimself) February 3, 2018

Hamill criticized Trump last month for canceling a trip to the United Kingdom over expected protests, saying Trump made a smart decision to cancel rather than admit he was "scared-silly."