In the days before television, the Hollywood studios made great use of radio broadcasting to advertise their product.
And of course the well known Hollywood names were welcomed by radio producers and advertisers.
Archive.org is a super source of many radio shows.

Joan Crawford, Margaret Sullavan.
Margaret looks a little overdressed, though there could be an audience.

Dorothy Lamour

Carole Lombard

Bette Davis

Emlyn Williams, Bette Davis, Gary Merrill
The threesome did THE PETRIFIED FOREST for the BBC in 1951.

Gary Merrill,Bette Davis
Advertising ALL ABOUT EVE.

Lizabeth Scott

Barbara Stanwyck
Jane Wyman, James Stewart.
Tyrone Power
John Garfield emoting.
Dana Andrews checking his script.

Ginger Rogers

John Archer as The Shadow.

Dick Powell

Humphrey Bogart

Franchot Tone, Joan Crawford
I’ve heard some episodes of Box 13. Ladd’s voice perfect for radio.

Peter Lorre.

Frank Lovejoy
I love Frank’s show, NIGHT BEAT.

Marlene Dietrich

John Payne,Betty Grable.
Wonder what they are singing.

William Conrad
Another great voice for radio. William was Sam Spade and Matt Dillon.

Judy Garland.

A very young Sinatra.

Helen Broderick

Eve Arden.
Eve looks at ease during this broadcast for the Forces Radio Service.

Ann Sothern
Lovely shot of Ann.

Cecil B.DeMille,Marlene Dietrich,Clark Gable.
Orson Welles, with cigar.
With pipe.
He is so young!
Shots from THE SHADOW . 1937/38
“Who knows what evil lurks in the hearts of men. The SHADOW knows!”