დონოვანის ტვინი

Lew Ayres Dr. Patrick J. Cory

Nancy Reagan Janice Cory

Gene Evans Dr. Frank Schratt

Steve Brodie Herbie Yocum

Tom Powers Donovan's Washington Advisor

Lisa Howard Chloe Donovan

James Anderson Chief Tuttle

Victor Sutherland Nathaniel Fuller

Michael Colgan Tom Donovan

Peter Adams Mr. Webster

Harlan Warde Treasury Agent Brooke

Shimen Ruskin Tailor

John Hamilton Mr. McNish (uncredited)

Don Brodie Detective Who Follows Dr. Cory from Hotel (uncredited)

Stapleton Kent W. J. Higgins (uncredited)

Frank McLure Man leaving Fuller's Office (uncredited)