Fonds consists of records relating to Renton's personal life as well as his acting and teaching careers. The personal papers include files on specific actors, athletics, clippings and publications, festivals and workshops, financial records, Portus Theatre Productions (the production company he founded), school-related theatrical education materials, committee work, unions, associations, and a variety of other subjects. Correspondence includes letters to, from, and about Renton and are primarily theatre-related. The scripts were accumulated by Renton throughout his career as an actor, director, and producer. The fonds also includes photographs and slides of numerous theatrical productions.