There is provided an information processing apparatus including: an acquisition unit successively specifying fields to be processed out of a plurality of fields included in program information in electronic program guide information and acquiring a character string included in each specified field; an analysis unit analyzing the acquired character string and outputting an analysis result for dividing the character string into a plurality of units; a sequence generating unit generating, for each field, a sequence corresponding to character string lengths of the units based on the outputted analysis result; a variance value calculating unit calculating, for each field, a variance value showing a degree of variance of magnitudes of values of items in the sequence; and a specifying unit specifying, for each program, a cast member field, in which cast member names are listed, out of the plurality of fields based on the calculated variance values.