Jimmy Rothaker
Fred Bowman
Tyler
Harmon
New Doctor
Roy
Maitland Greer
Jim Belden
Williams
Tennis Coach
Prince Michael
Frank Merriwell (as Don Briggs)
George Onslow
William Regan
Dick Allerton
Baldwin
Man
Star Reporter
Instructor
Mr. Carter (uncredited)
Caleb Bowen
Tommy Burnell
Mr. Brownlee
Will Danielson
George Barnes
Allen Rand - theatre manager
Stuart Farnum (uncredited)
Fred
Jeffrey Grey
Dist. Atty. Burke
Quartermaster
Reporter (uncredited)
Len Flink
Johnny Ames
Whit Pearson
Eddie Collins
Mr. Huntington
Irving Irving