In films from 1930, Scottish character-actor Hay Petrie usually showed up in eccentric bit roles. Petrie's larger film assignments included the unspeakable Quilp in The Old Curiosity Shop (1936) and the mentally defective John Aloysius Evan in 21 Days Together (1937). Many consider his portrayal of the MacLaggan in The Ghost Goes West (1936) to be the actor's finest hour...