A tape cassette is provided with a cassette case, a tape, a tape discharge portion, a first indicator portion, a first indicator member and a first attachment portion. The cassette case includes a bottom case and a top case. The tape is a print medium. The tape discharge portion discharges the tape from the cassette case. The first indicator portion includes at least one indicator hole and indicates a type of the tape. The first indicator member is provided with the first indicator portion. The first attachment portion is provided on an upstream side of the tape discharge portion and to which the first indicator member is attached.