He entered
Harvard to study law. Haliday was an actor and founding member of the Brattle Theatre Company (BTC) based at the
Brattle Theatre in
Cambridge, Massachusetts; the BTC was an American version of England's
The Old Vic. Haliday produced and acted in many of the productions there. In 1948, he purchased the theatre. The BTC dissolved in 1952, and the theater became a movie house. In 1966, Haliday sold the theater to Bramont Trust. Cyrus Harvey, Jr. continued to manage it into the 1970s. ==Janus Films==