Robert Donat

as Charles Edward Chipping aka 'Mr. Chips'

Greer Garson

as Katherine 'Kathy'

Terry Kilburn

as John Colley / Peter Colley I / Peter Colley II / Peter Colley III

John Mills

as Peter Colley as a Young Man

Paul Henreid

as Max Staefel

Judith Furse

as Flora

Lyn Harding

as Dr. John Hamilton Wetherby

Milton Rosmer

as Chatteris