Helen Holmes

Helen Barton

Jack Perrin

Tom Lawson

Harry Tenbrook

Tony Sharkey

Henry A. Barrows

Gen. Barton

Mack V. Wright

The Day Agent

Alice Belcher

Jane Moriarity

Hal Walters

Vince Barton

Cecil Kellogg

The Night Operator

Arthur Millett

Tom Lawson's Father

J.P. McGowan