Confidence Girl

Roger Kingsley

Mary Webb

Johnny Gregg

Lt. Fenton

Detective Chief Brownell

Detective Sergeant Quinn

Mr. Markewell

Hal Speel

Peggy Speel

Maggie, the elderly accomplice

Detective Lieutenant Cobb, with pipe

Narrator (voice)

Mr. Sheridan

Store Detective Walsh

Charlie (as Charlie Collins)

Gertrude Palmer

Frank Palmer

Joey Ridgway

Allen Ridgeway

William Pope

Braddock's Nurse