William Conrad Frank Cannon Actor Martin Sheen Jerry Warton Guest Star Mitch Ryan Alexander Roper Guest Star Roy Scheider Dan Bowen Guest Star Ken Scott Carl Swanson Guest Star Ivor Francis Arthur Pearson Guest Star L.Q. Jones Phil Mackey Guest Star Judith McConnell Sylvia Woodward Guest Star Wayne McLaren Alex Farrell Guest Star Erik Holland Krueger Guest Star Geoffrey Lewis George Guest Star Tom Pittman Deputy Bill Morgan Guest Star Chuck Morrell Norman Guest Star Anita Alberts Young Blonde at Bar Guest Star Douglas Mitchell Guest Star Chuck Hicks Enders' Henchman Guest Star Donovan Jones Director Guest Star Hank Calia Cop on Stakeout Guest Star Lawrence Bame Guest Star Elizabeth Claman Liz, Store Clerk Guest Star Jerry Jameson Director George McCowan Director Allen Reisner Director Seymour Robbie Director William Hale Director Charles S. Dubin Director Hal Sitowitz Writer George Eckstein Writer James D. Buchanan Writer David Moessinger Writer George Bellak Writer Ken Pettus Writer Ken Trevey Writer Robert Malcolm Young Writer Paul Playdon Writer Ronald Austin Writer Richard Donner Director Edward Hume Writer Stephen Kandel Writer Don Taylor Director