Metadiscourse features are the rhetorical devices that serve to maintain the writer-reader and speaker-audience interaction. The way metadiscourse features are utilized in spoken and written modes may differ given the nature of these two modes of communication. For this reason, the present study set to unpack the distributional pattern of metadiscourse features as well as investigate the construction and maintenance of writer-reader and speaker-audience interaction in academic written and spoken English. To achieve this goal, two corpora of The British Academic Written English Corpus and British Academic Spoken English Corpus were utilized as the data gathering resources. To categorize the metadiscourse features, Hyland's taxonomy was selected. The quantitative analysis of the data showcased that the written corpus was more interactive oriented despite the fact that the spoken corpus showed a propensity towards the interactional category of metadiscourse features. On the other hand, the analysis of the concordance lines illustrated that academic conventions differed significantly in spoken and written academic English which resulted in a dynamic interaction between writer-reader as well as speaker-audience. The results of the study at hand may have implications in such lines of research as corpus linguistics, contrastive analysis and genre studies.