[1][2] Willey and Marshal appeared in several Australian films made in 1912 – including The Strangler's Grip (1912) and The Mystery of the Black Pearl (1912), both directed by Franklyn Barrett.

He went back to support parts for The Road to Reno (1938) at Universal, then was the romantic male lead in Dramatic School (1938) with Luise Rainer at MGM, a big flop.

[10] He played a similar sort of part in Four Girls in White (1939) then was Anna Sten's co star in Exile Express (1939) made at Grand National Pictures.

At RKO Marshal had a support part in The Hunchback of Notre Dame (1939) and the lead in a B picture, Married and in Love (1940), directed by John Farrow.

[12] Marshal stayed at Columbia for The Howards of Virginia (1940) with Cary Grant then went back to RKO to play one of Ginger Rogers's suitors in Tom, Dick and Harry (1940), a big hit.

[20] Marshal concentrated on television in the 1950s, appearing in episodes of Lights Out (1950) ("The Dark Corner"), The Clock (1951) ("Last Adventure"), Robert Montgomery Presents (1952) ("Claire Ambler"), and Climax!

He was more commonly found on TV, such as in Playhouse 90 (1957, "The Greer Case"), Perry Mason (1958, "The Case of the Terrified Typist"), Buckskin (1958, "The Ghost of Balaclava"), General Electric Theatre (1958, "Battle for a Soul", directed by Ray Milland), Wagon Train (1958, "The Doctor Willoughby Story", with Jane Wyman), The Ann Sothern Show (1958, "The Countess of Bartley"), Alfred Hitchcock Presents (1958, "Murder Me Twice"), Rawhide (1959, "Incident on the Edge of Madness", with Lon Chaney Jr), 77 Sunset Strip (1959)("In Memoriam"), M Squad (1959) ("Ghost Town"), Sugarfoot (1959, "The Vultures"), Bourbon Street Beat (1959, "Invitation to a Murder") and Surfside 6 (1960, "Spinout at Sebrin").

Marshal had a supporting role in House on Haunted Hill (1959) starring Vincent Price and directed by William Castle, and the western Day of the Outlaw (1959).

[23] Marshal died after suffering a heart attack while appearing in Chicago with Mae West in a production of her play Sextette at the Edgewater Beach Playhouse on 9 July 1961.