C. Aubrey Smith

Detective Jim Hanley

Sam Hardy

Capt. Martin Gallagher

Russell Hopton

Reporter Mooney

Ruthelma Stevens

Doris Manning

Hale Hamilton

J.K. Manning

Jack Mulhall

Carey Weldon

Dorothy Mackaill

Lola Cresmer

Syd Saylor

Mac MacIntosh, the prop man

Paul Cavanagh

Wylie Thornton

Natalie Moorhead

Alma Jenkins Thornton

Marion Shilling

Anice Cresmer

William Humphrey

Allison, addled actor

Herman Bing

Sam, stage director

Dot Farley

Ella, hefty actress

Arthur Hoyt

Watkins, theater watchman

Matthew Betz

"Lovely" Holmes

Walter Brennan

Backstage Detective [extra]