Douglas Fairbanks Jr. as Jack Ingleside

Rose Hobart as Molly Prescott

Anthony Bushell as Tom Ingleside

Holmes Herbert as Maj. Bradford

Mary Forbes as Mrs. Ingleside

Edmund Breon as The General

Harry Allen as Pvt. Jones

May Beatty as Mayfair 1119 (uncredited)

Billy Bevan as Cuthbert (uncredited)

Florence Britton as Sylvia (uncredited)

Herbert Evans as British Soldier at the Front (uncredited)

Ethel Griffies as Drunken Flower Vendor in Pub (uncredited)

Ruth Hall as Girl at Party (uncredited)

Forrester Harvey as Joe (uncredited)

Mae Madison as Ruth (uncredited)

Edward Morgan as Lt. Wickham (uncredited)

Jameson Thomas as Lt. Taylor (uncredited)

Tyrell Davis as Archie (uncredited)