- Buster Keaton
- Elmer J. Stuyvesant Jr.
- Sally Eilers
- Mary
- Cliff Edwards
- Nescopeck
- Edward Brophy
- Sergeant Brophy
- Victor Potel
- Svendenburg
- Arnold Korff
- Gustave
- Frank Mayo
- Captain Scott
- Pitzy Katz
- Abie Cohn
- William Steele
- Lieutenant Randolph
- Ann Dvorak
- Chorine
- Ann Sothern
- Chorine
- Bobby Barber
- Doughboy
- Sidney Bracey
- Recruiter
- John Carroll
- Doughboy in Elmer's Squad
- Jack Cheatham
- Guard House Sentry
- Jimmie Dundee
- Riveter
- Joseph W. Girard
- General Hull
- Pat Harmon
- Induction Non-Com
- Tiny Sandford
- Recruit
- Edward Sedgwick
- Guggleheimer the Camp Cook
- Harry Strang
- Induction Officer
- Harry Stubbs
- Sergeant
