Helen Mirren and Harrison Ford grew thick as thieves on the '1923' set, with Mirren calling Ford a 'bloke' that she loves to 'hang around on set' with, and Ford calling Mirren a 'real cool lady.'

The actors, who play couple Jacob and Cara Dutton in the 'Yellowstone' prequel series, tell PEOPLE how they spend their time when the cameras aren't rolling

Harrison Ford received high praise from his 1923 co-star Brian Geraghty who revealed on some behind-the-scenes action on set.During the season two premiere of Yellowstone spinoff, Geraghty,

Harrison Ford plays the sturdy patriarch, Jacob Dutton, on the hit Paramount+ show 1923. While onscreen he portrays a tough, less emotional character, it might surprise you what the actor is like offscreen!

We had really good rapport, and I was lucky because almost 80% of my time is with him, and so he makes me laugh,” Geraghty tells PEOPLE