The Co-Optimists is the title of a stage variety revue which ran in London from 27 June 1921 for 500 performances. The show was devised by Davy Burnaby and began its run at the Royalty Theatre. It went on to be made into a 1929 film with the same name.
Melville Gideon, Clifford Grey, Irving Berlin, Philip Braham, Vivian Ellis, William Helmore, Ivy St Helier, Laddie Cliff, Austin Melford, Greatrex Newman, Arthur Schwartz, Clifford Seyler.
Davy Burnaby, Phyllis Monkman, Gilbert Childs, Laddie Cliff, Melville Gideon, Stanley Holloway, Betty Chester, Elsa MacFarlane, Peggy Petronella, and Harry S. Pepper.