Elspeth Keller and Reid Scott
06/23/2014 at 01:45 PM EDT
He plays a sharp-tongued playboy and White House aide on TV, but this past weekend, Reid Scott was a blushing groom.
star, 36, married longtime girlfriend Elspeth Keller in an intimate ceremony at downtown Los Angeles's Maguire Gardens on Saturday.
Scott popped the question
in Palm Springs last April after he secretly flew to San Francisco to ask Keller's father for her hand in marriage, a source told PEOPLE at the time.
Among the guest list: actor Brendan Patrick Hines and Mad Men
star Ben Feldman
, who shared a picture of the happy couple on Instagram. "Last night, 2 people I follow on Instagram got married, so I crashed their wedding and made a 45 minute toast."
And now it seems the lovebirds are off on a sun-filled honeymoon. "Hope you had a great weekend. I'm off to Fiji now," Scott Tweeted
. "No haters."