Winston Churchill

Mike Harper (archive footage) (uncredited) (1 episode)

Doc

Daddy-O

Gordon Cahill (4 episodes)

General Sorenson

Coach (1 episode)

Tom Dempsey (1 episode)

Inspector Rory Lanahan (2 episodes)

Billy Patrick

Ted Kitteridge

Gen. Willoughby

Bill King

Frank Agretti (26 episodes)

(12 episodes)

Supt. Bob McLaine

Commander W.P. Anderson

Lavender (13 episodes)

Mr. Payatta

Pongo (voice) (archive footage)

Edward Adeane

Jack Bailey

'Black Jack' Bouvier

Clint Tolliver

Steve Donegin

Paul Duveen (1 episode)

Marian Casey

Screenplay

Evan Thorpe (13 episodes)

Palmer

Christopher Tauling

Shamus McCoy

Marko

Frank Brand

Trader Horn

Lieutenant Bob Robson

Grady

Jason Carlyle

Hank Brackett (13 episodes)

Hank Brackett

Travis McGee

Peter Reaney

Lee Allen

Brynie MacKay

Scobie Malone

Curry

Chuka

Producer

Peter McDermott

Self (1 episode)

Bruce Templeton

Mike Harper

Brian Ian "Boysie" Oakes

John Cassidy

Major Walter Gerber

Captain Jack Savage

Mike Mitchell

Les Mangrum

Col. Hollis Farr

Mitch Brenner

Sir Francis Drake

(1 episode)

Self - Accepting Award (1 episode)

Pongo (voice)

Pirro

H. George Wells

(27 episodes)

(1 episode)

Jed Harper (1 episode)

Clegg Forbes (1 episode)

Ross Taford

Charles

Anthony Fouche (1 episode)

Boyd Harland (1 episode)

Mike Randall

Nick Carraway

Sam Tipton (1 episode)

Fred Gauman (1 episode)

Garwood B. Jones

Jim (1 episode)

Sir David Karfrey

Ralph Halloran

Herbert Ellis

John Brodie Evans (as Rodney Taylor)

Lem Sutter

Clancy (1 episode)

Cpl. Gwilym

Tommy Scarbrough (1 episode)

Dr. Don Dolby (1 episode)

Mr. Gilbert (1 episode)

Baxter (1 episode)

Israel Hands

Jack Janiero

George McLeay