Acting
Frank Whitbeck was the longtime chief of publicity/exploitation at MGM. He also narrated several hundred theatrical trailers for MGM features.
The Horse with the Human Mind
as Narrator (voice) (uncredited)

Twenty Years After
as Narrator (voice) (uncredited)

Presenting Lily Mars
as Trailer Narrator (voice)

Fingers at the Window
as Trailer Announcer (Voice) (uncredited)
Personalities
as Narrator (voice) (uncredited)

We Must Have Music
as Narrator
You Can't Fool a Camera
as Narrator (voice) (uncredited)
America, Preferred
as Narrator (voice) (uncredited)

Young Tom Edison
as Narrator (voice)

Edison, the Man
as Trailer Narrator (voice)