The Panther's Claw

Sidney Blackmer

Police Commissioner Thatcher Colt

Rick Vallin

Anthony 'Tony' Abbot (as Ricki Vallin)

Byron Foulger

Everett P. Digberry

Herbert Rawlinson

District Attorney Bill Dougherty

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Lynn Starr

Miss Spencer

Barry Bernard

Capt. Edgar Walters / Frank Galloway

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Trude Rosen

Nina Politza

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Thornton Edwards

Enrico Lombardi

John Ince

Police Captain Mike Flynn

Martin Ashe

Officer Murphy

Walter James

Police Captain Tom Henry

Frank Darien

Samuel Wilkins

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Joseph DeVillard

Antonio Spogucci (as Joseph M. De Villard)

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Jacques Vanaire

Guiseppe Bartarelli (as Jack Vanaire)

Willy Castello

John Martin George (as William Castello)

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Harry Clark

Officer Lou Levinsky (as Harry Clarke)

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Lew Leroy

Apartment Manager (as Lou LeRoy)

Billy Mitchell

Nicodemus J. Brown

Florence O'Brien

Petunia

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Harte Wayne

Coroner

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Pat McKee

Joe Morgan

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Casey MacGregor

Police Sergeant Flanagan (as Casey McGregor)

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Billy Snyder

Hotel Manager Stevens

Sam Lufkin

Lombardi's Police Escort (uncredited)