EXCLUSIVE: Nick Kroll Wants Bernie Sanders to Cameo in 'Oh, Hello on Broadway'

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Nick Kroll and John Mulaney have been bringing the laughs in
their hilarious play, Oh, Hello on
, which sees the two comedic actors onstage as their longtime alter
egos, Gil Faizon and George St. Geegland, the ultimate curmudgeons.

During each 70-minute performance, Gil and George bring out
a surprise guest -- including Will Ferrell, Tina Fey, Stephen Colbert, Aziz
and Whoopi Goldberg -- to appear on their cable-access show, Too Much Tuna. The banter with Gil and
George usually also provides a few unscripted moments, as most recently seen
when Leslie Mann told a story about shoplifting condoms in front of her
husband, Judd Apatow, and daughters, Maude and Iris.

When asked who they still want to have appear with them during
their limited run -- which was recently extended -- Kroll named the ultimate
curmudgeon: former Democratic presidential candidate Bernie Sanders. “He’s
playing hardball with us,” he told ET on the red carpet at the 2016 Gotham

“We have talked to campaign people, during the election and
after,” Kroll continued. “Obviously, we’re going to start going at it straight.
We’re going straight to Twitter, we’re going straight at him.”

WATCH: Paul Rudd, Danny McBride, Nick Kroll and More Try to Imitate Seth Rogen's Laugh

In addition to Sanders, who would fit in comfortable
alongside Gil and George, Kroll would also like to get members of Steely Dan --
the band is the punchline of a recurring joke -- and President Barack Obama.

“We would take Obama,” Kroll said, acknowledging that he’ll
have some free time starting Jan. 20, when President-elect Donald Trump is
sworn into office. “He has some free
time. Our last show is January 22nd.”

The show, which was originally set to close on Jan. 15, has
been extended to Jan. 22, giving Obama some wiggle room to make his Broadway

--Additional reporting
by Darla Murray