Steve Martin as Newton Davis

Goldie Hawn as Gwen Phillips

Dana Delany as Becky Metcalf

Julie Harris as Edna Davis

Donald Moffat as George Davis

Peter MacNicol as Marty

Richard B. Shull as Ralph

Laurel Cronin as Mary

Roy Cooper as Winston Moseby

Christopher Durang as Reverend Lipton

Heywood Hale Broun as Travis Keller

Cherry Jones as Patty

Vasek Simek as Karol

Suzanne Whang as Moseby's Secretary

Mary Klug as Lorraine

Alice Duffy as Hazel Byron

Ken Cheeseman as Harv

Tony V. as Bus Driver

Ricardo Pitts-Wiley as Bus Driver

Belle McDonald as Aunt Betty

Bill McDonald as Uncle Ray

Kevin O'Brien as Caterer Truck Driver

Maggie Steig as Party Guest

Molly D. Gerard as Party Guest

David Hannegan as Party Guest

Edward Mason as Party Guest

Grenville Cuyler as Party Guest

Rose-Ann San Martino as Shopkeeper

Hazel Gardner as Mother with Stroller

Phyllis Jubett Gould as Dobb's Mill Pedestrian

George Michael Jones as Restaurant Guest

Moira J. McCarthy as Restaurant Guest

Michael Nurse as Dedication Ceremony Speaker

Howe F. Perrigo as Bus Person

Patricia Madden as China Shop Proprietor

Daniel Olsen as Wedding Party Cousin (uncredited)

Dale Resteghini as Messenger (uncredited)