Judy Greer and Katie Holmes
Christopher Peterson/FilmMagic; Splash News Online
made a pre-rehearsal coffee run with her Dead Accounts
costar Judy Greer in New York on Monday.
Makeup free and wearing a hoodie, jeans and booties, Holmes looked "very relaxed," an onlooker tells PEOPLE.
While waiting in line for their coffee, "Katie was involved in an in depth conversation with Judy," the source adds.
When they reached the counter, Holmes ordered a grande black coffee. The costars then headed out to rehearsal.
– Jennifer Garcia