Colton Haynes & Stephen Amell: Handshake on 'Arrow' Set

Stephen Amell “meets” Colton Haynes while filming scenes for Arrow in Vancouver, Canada on Sunday afternoon (April 7).

The two actors exchanged pleasantries while Willa Holland, who plays Stephen‘s sister and Colton‘s girlfriend, stood by.

PHOTOS: Check out the latest pics of Colton Haynes

“Just shook Roy Harper’s hand,” Stephen tweeted.

Colton added, “Oliver has a very firm hand shake.”

Stephen wrote just the day before, after the cast and crew had wrapped, “What a sterling day by the Crew & Cast of #Arrow. Saturday was at our mercy.”

15+ pics inside…