Edward G. Robinson as Vincent Canelli

Jean Parker as Hatti Combest

Peter Graves as Peter Manning

Milburn Stone as Father Slocum

Warren Stevens as Joey Stewart

Sylvia Findley as Ellen Norris

Jack Kelly as Frank Carson

Hal Baylor as Lou Mehrtens

James Bell as John Norris

Vic Perrin as Dr. Hart

Russell Johnson as Howard Sloane

Lee Aaker as Little Boy (uncredited)

James Bacon as Reporter at Electrocution (uncredited)

Harry Bartell as Boland (uncredited)

Arthur Batanides as Reporter at Electrocution (uncredited)

Ray Bennett as Alexander Watkins (uncredited)

Don Blackman as Selwyn (uncredited)

David Bond as Thompson (uncredited)

Alexander Campbell as Prison Warden (uncredited)

Ken Christy as Death Row Guard (uncredited)

John Close as Cop (uncredited)

Edmund Cobb as Bank Safe Deposit Box Guard (uncredited)

Richard H. Cutting as Newspaperman (uncredited)

Franklyn Farnum as Reporter at Electrocution (uncredited)

Frank Ferguson as Police Inspector Hailey (uncredited)

Harold Goodwin as Fire Commissioner (uncredited)

John Halloran as Guard at Electrocution (uncredited)

Thomas Browne Henry as Reporter at Electrocution (uncredited)

Paul Maxey as Donaldson (uncredited)

Kenneth Patterson as Newspaper Editor (uncredited)

John Phillips as Cop (uncredited)

Phillip Pine as Fiaschetti (uncredited)

Joey Ray as Reporter (uncredited)

Stafford Repp as Bert Posmonick (uncredited)

Dick Rich as Benny (uncredited)

Dick Ryan as Electrician Checking Electric Chair (uncredited)

William Schallert as Collins (uncredited)

Simon Scott as Parker (uncredited)

Carl Sklover as Reporter (uncredited)

Than Wyenn as Bank Teller (uncredited)

Carleton Young as Radio Broadcast (uncredited)