William Collier Jr.

Character: Bruce Harrington

Sally Blane

Character: Carolyn Nolan

J. Farrell MacDonald

Character: D.J. 'Smokey' Nolan

Hobart Bosworth

Character: Mr. Harrington

Axel Axelson

Character: Axel, the fireman

Lina Basquette

Character: Betty

Eddie Phillips

Character: Dick Walsh (posing as Bruce)

Claire McDowell

Character: Ma Nolan

David Rollins

Character: Jackie Nolan

Robert Ellis

Character: Reynolds