Saoirse Ronan character Christine "Lady Bird" McPherson
Laurie Metcalf character Marion McPherson
Tracy Letts character Larry McPherson
Lucas Hedges character Danny O'Neill
Timothée Chalamet character Kyle Sheible
Beanie Feldstein character Julie Steffans
Lois Smith character Sister Sarah Joan
Stephen Henderson character Father Leviatch
Odeya Rush character Jenna Walton
Jordan Rodrigues character Miguel McPherson
Marielle Scott character Shelly Yuhan
John Karna character Greg Anrue
Jake McDorman character Mr. Bruno
Bayne Gibby character Casey Kelly
Laura Marano character Diana Greenway
Marietta DePrima character Miss Patty
Daniel Zovatto character Jonah Ruiz
Kristen Cloke character Ms. Steffans
Andy Buckley character Uncle Matthew
Paul Keller character Parish Priest
Kathryn Newton character Darlene Bell
Myra Turley character Sister Gina
Bob Stephenson character Father Walter
Abhimanyu Katyal character Friendly Banker
Chris Witaske character Business Jock
Ben Konigsberg character David From College
Gurpreet Gill character Convenience Store Clerk
Richard Jin Namkung character Cool Coffee Manager
Joan Patricia O'Neil character Danny's Grandmother
Robert Figueroa character Cast Removal Doctor
Carla Valentine character Guidance Counselor
Roman Arabia character Luis Cruz
Monique Edwards character NYC Nurse
Matthew Maher character NYC Man on Street
Anita Kalathara character Prom Chairwoman
Debra Miller character Saleswoman Joyce
Georgia Leva character Senior Class Candidate
Derek Butler character "Merrily We Roll Along" Performer
London Thor character "Merrily We Roll Along" Performer
Shaelan O'Connor character "Merrily We Roll Along" Performer
Christina Offley character "Merrily We Roll Along" Performer
Sabrina Schloss character "Merrily We Roll Along" Performer
Connor Mickiewicz character "Merrily We Roll Along" Performer
Erik Daniells character "Merrily We Roll Along" Performer
Cynthia Cales character Immaculate Heart of Mary Teacher
Giselle Grams character Immaculate Heart of Mary Teacher
Ithamar Enriquez character Driving Instructor
Luisa Lee character Young Lady
Danielle Macdonald character Another Young Lady
Adam Brock character Band Lead Singer
Bonnie Jean Shelton character Fab 40s Realtor
Rebecca Light character Mr. Bruno's Wife
Janet Song character Administrator (uncredited)
