The Buster Keaton Story Cast Donald O'Connor Ann Blyth Rhonda Fleming Peter Lorre Larry Keating Jack Coogan Richard Anderson Dave Willock Claire Carleton Larry White Dan Seymour Michael Ross Nan Martin Robert Christopher Richard Aherne Tim Ryan Joseph Forte Ralph Dumke Larry Rio Constance Cavendish Ivan Triesault Pamela Jayson Keith Richards Dick Ryan Guy Wilkerson Elizabeth Slifer