Winifred Greenwood
— Grace Thornton - the Understudy
Thomas Commerford
— Mr. Thornton
Frank Weed
— Bob Burnitt - the Stage Director
Lafe McKee
— Ben Rosenthal - the Manager
Rose Evans
— Mrs. Thornton
Mac Barnes
— Hank Armstrong
Colletta Powers
— Stella Le Vere
Timmy Sheehan
— Timmy - the Office Boy
Julius Frankenburg
— Rudolph Lehar - the Orchestra Leader