Al (1 episode)

Lt. Williams

Defense Attorney Davis (2 episodes)

Hendrick

Ted Roberts

Lou McNally (1 episode)

Lt. Kerr

Mr. Wilder (1 episode)

Eric Gregory

Capt. Esteban

Jimmy Bowford

Pepsi Executive #1

Commissioner Wilkie

Dr. Brockton

Ralph Jenner

Col. Perry (2 episodes)

Roy Turner (14 episodes)

Elliot Ness

Gersh

William Kane

Dr. Russo

Mr. Bernards

Floyd Baker (1 episode)

Mickey

Lt. Cmdr. John S. 'Jimmy' Thach

Sgt. Manuel Gris

Andy Cooper (1 episode)

Lt. Williamson (2 episodes)

Gus Brubaker (1 episode)

Lt. Cmdr. Hanratty

Eddie

Phil