For live-action production

For live-action production, voice acting often involves reading the parts of computer programs (Douglas Rain; Majel Barrett), radio dispatchers (Shaaron Claridge), or characters who never actually appear on screen but who give instructions by telephone (John Forsythe in Charlie's Angels), or mailed recording (Bob Johnson in Mission: Impossible). "Stunt double" voice actors are sometimes employed; if a voice actor or actress loses his or her voice, someone who sounds similar can step in. For example, when Jeremy Irons' vocal cords became strained during the recording of The Lion King song "Be Prepared", Jim Cummings was called in to finish the song.

It is not unusual to find among the ranks of voice actors people who also act in live-action film or television, or on the stage (see e.g., J. Scott Smart, an "old time radio" actor). For those actors, voice acting has the advantage of offering acting work without having to bother with makeup, costuming, lighting, and so on. An occasional advantage is the fact that through voice acting, an actor can reprise a role that he has played in live action but would be otherwise too aged to portray. An example of this is Walter Koenig in Star Trek New Voyages who reprises his role as Lt. Pavel Chekov.


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