One Is Guilty

Police Inspector Steve Trent is called to the Radford Arms, a high-rise apartment building that has been taken over by a bank and its apartments now-unoccupied.

Ralph Bellamy

Insp. Steve Trent

Shirley Grey

Sally Grey

Warren Hymer

'Knock-Out' Walters

Rita La Roy

Lola Deveroux

J. Carrol Naish

Jack Allen

Wheeler Oakman

Toledo Eddie Marchetti

Willard Robertson

Wells Deveroux

Vincent Sherman

William Malcolm

Sam Flint

Coroner