Be on and Play role

Be on verb - Appear in a show, on T.V. or radio.

Play role and be on are semantically related in act topic. In some cases you can use "Play role" instead a verb phrase "Be on", when it comes to topics like entertain by playing a role.

Be on and play role are semantically related in act topic. Sometimes you can use "Be on" instead a verb phrase "Play role", if it concerns topics such as entertain by playing a role.